Psychological Safety at Work: Why People Don’t Speak Up — and Why Stress Becomes Disengagement

This article explores how psychological safety determines whether stress is surfaced early or quietly turns into disengagement, declining performance, and people leaving.

Tomek Joseph

1/19/20264 min read

At the start of a new year, organisations often reset goals, priorities, and expectations.

What changes far less is stress — despite it showing the strongest impact on engagement, focus, and performance capacity in organisational data.

This is where psychological safety becomes critical. Not as a wellbeing slogan, and not as an abstract leadership ideal — but as a practical mechanism that determines whether stress is surfaced early or allowed to quietly turn into disengagement and people leaving.

In my work with organisations in Mauritius, drawing on insights from 4,217 employees assessed locally, stress levels are high and persistent. Yet they are rarely voiced openly. Stress typically becomes visible only when employees are given a safe, anonymous way to reflect. Until then, it tends to surface indirectly — through withdrawal, declining energy, disengagement, and eventual resignation.

This article explores why that happens.

  • Why stress is the earliest and strongest driver of disengagement — long before performance or retention issues appear

  • How silence around stress leads organisations to misinterpret disengagement as attitude or motivation

  • What anonymous employee data reveals once psychological safety is present

  • Why wellbeing initiatives struggle to create impact when structural sources of pressure remain intact


Is stress the problem? Or is it silence?

Most organisations do not lack hardworking or committed people. What they often lack is early visibility.

When stress is high, employees usually do not complain loudly. Instead, they adapt:

  • They lower expectations.

  • They stop raising issues that go nowhere.

  • They conserve energy.

  • They focus on getting through the day rather than improving how work is done.

From the outside, this looks like:

  • declining engagement scores

  • reduced initiative

  • lower motivation

  • performance variability

  • people “checking out”

  • and eventually, people leaving

What is often missed is that stress preceded all of this.

Stress becomes damaging not simply because it exists — but because it remains unspoken and structurally unaddressed.

Why stress stays unspoken in many workplaces

In many organisations, particularly in hierarchical or relationship-oriented cultures, speaking up carries perceived risk.

Not because leaders are hostile — but because:

  • issues raised previously did not lead to change

  • feedback was acknowledged politely but not acted upon

  • raising pressure was subtly reframed as a personal coping issue

  • professionalism became associated with endurance and silence

Over time, employees learn an unspoken rule:

“Manage it yourself. Don’t make it a problem.”

This is not apathy. It is adaptation.

And adaptation is exactly why stress later reappears as disengagement, presenteeism, or exit.

Psychological safety, explained plainly

Psychological safety is often misunderstood.

It does not mean:

  • lowering standards

  • avoiding accountability

  • being emotionally expressive at work

In practice, psychological safety simply means this:

People can surface problems, pressure, and friction early — without fear of negative consequences.

From an organisational perspective, psychological safety is not about comfort.
It is about signal quality.

❌ When psychological safety is low:

  • stress stays private

  • problems surface late

  • disengagement is misdiagnosed

  • turnover feels “sudden”

✅ When psychological safety is present:

  • stress becomes visible early

  • issues can be addressed while still manageable

  • engagement is protected

  • leaders retain decision-making bandwidth

Why organisations misread disengagement

Most organisations rely on lagging indicators:

  • engagement surveys

  • performance ratings

  • absenteeism

  • attrition

By the time these move, the underlying stress has often been present for months — sometimes years.

This leads to common misinterpretations:

  • disengagement is seen as attitude

  • reduced effort is framed as motivation

  • exits are attributed to market conditions

  • burnout is addressed after the fact

What is missed is that stress was already shaping behaviour long before these indicators changed.

What becomes visible when silence is removed

When employees are given a safe, anonymous way to reflect, a different picture emerges.

Across organisations, similar patterns appear repeatedly:

  • workload that is technically manageable but emotionally unsustainable

  • constant urgency without prioritisation

  • unclear decision rights and shifting expectations

  • meetings that create activity but not clarity

  • managers carrying pressure without support

  • employees unsure where to raise concerns constructively

These are not personal weaknesses.
They are system design issues.

And once visible, they explain why wellbeing initiatives alone often fail to create lasting change.

Why many wellbeing efforts don’t move the needle

Many organisations genuinely invest in wellbeing:

  • talks

  • workshops

  • activities

  • awareness days

These efforts are often well-intentioned and appreciated.

But they rarely change:

  • how work is prioritised

  • how decisions are made

  • how pressure flows through the system

  • how leaders are supported

  • how issues are surfaced early

As a result, employees feel better informed — but not less stressed.

The message received is subtle but powerful:

“We care — but the way work operates stays the same.”

Over time, credibility erodes.

What this means for HR leaders

For HR and People & Culture leaders, this creates a difficult position.

You are often:

  • aware that stress levels are high

  • hearing fragments of the same issues repeatedly

  • tasked with “fixing engagement”

  • operating without full visibility of lived experience

The opportunity for HR is not to become the owner of wellbeing activities — but the translator of organisational signals.

This means:

  • treating stress data as operational intelligence

  • distinguishing between silence and absence of issues

  • helping leaders understand stress as a leading indicator, not a personal failure

  • shifting conversations from “how are people coping?” to “what in our system is creating sustained pressure?”

When HR is positioned this way, it becomes a strategic function — not a support role reacting to symptoms.

Reframing stress as organisational intelligence

Stress is not an inconvenience to be managed away.

Handled early, it is useful information:

  • about capacity

  • about priorities

  • about leadership load

  • about system friction

Silence, on the other hand, is risk.

When people stop speaking up, organisations lose:

  • early warnings

  • improvement ideas

  • discretionary effort

  • and eventually, people themselves

The absence of feedback is often mistaken for resilience.
In reality, it is often withdrawal.

A final reflection

Most organisations do not fail because they ignore people.
They struggle because signals arrive too late.

Psychological safety determines whether stress becomes visible early — or whether it quietly transforms into disengagement, lost performance, and people leaving.

The question is no longer whether stress exists.

It is:

What are people no longer telling us — and what is that already costing us?