Capability Gap
A series on how expectations are formed — and where they diverge from real-world capability.
Why We Mistake Communication for Competence
We tend to assume that if someone communicates well, they must be competent.
In reality, we’re responding to something else.
We’re responding to signal.
Communication as a Signal
In most real-world settings, we don’t have the time to evaluate someone’s actual capability.
So we rely on what’s visible.
Clarity. Fluency. Confidence.
In other words, communication.
Over time, this becomes a proxy.
Clear speaker → clear thinker
Confident tone → strong capability
Good presenter → leadership potential
It feels efficient. It feels rational.
But what we’re responding to is not competence.
It’s signalling.
Where It Breaks in Practice
This shows up most clearly inside organisations.
People who communicate well are often seen as more capable than they are.
People who are less expressive are often overlooked — regardless of how strong their actual performance is.
Promotions follow visibility.
Trust follows fluency.
Not necessarily results.
This creates a predictable distortion.
Capability becomes secondary to perception.
When Clarity Fails
There is another layer to this.
We assume that someone who communicates clearly can also handle complexity — including emotional complexity.
That assumption does not always hold.
I saw this up close during a difficult period last year, when my mother was diagnosed with an aggressive form of cancer.
A doctor explained the situation in precise, clinical terms. The conclusion was clear.
But clarity alone was not enough.
What was missing was judgement — the ability to calibrate information to context, to timing, to the emotional state of the person receiving it.
That is communication at a different level.
Not the transfer of information.
But the management of impact.
What We Continue to Miss
At the other end of the spectrum, there are highly capable individuals who struggle to express what they know.
Engineers, doctors, analysts — people with deep expertise but limited ability, or inclination, to package it.
They are often underestimated.
Not because they lack capability.
But because they do not signal it effectively.
The Distortion Gets Amplified
Modern platforms make this worse.
Social media rewards:
- Clarity
- Narrative
- Confidence
A well-crafted story can create the impression of expertise.
A large following can create the perception of authority.
Meanwhile, those who choose not to participate — or who communicate less effectively in that format — remain invisible.
Again, we rely on proxies.
And again, we get it wrong.
What AI Reveals
Artificial intelligence is now stress-testing this dynamic.
Language models do not respond to presence or charisma.
They respond to instruction.
If your thinking is vague, your output will be vague.
If your intent is unclear, the result will reflect that.
In that sense, AI is forcing a distinction.
Communication is not just how you sound.
It is how clearly you think.
The Real Risk
So the question is not whether communication matters.
It clearly does.
The question is whether we are using it correctly.
Are we recognising it as a skill — or mistaking it for substance?
Because the real risk is not poor communication.
It is misplaced trust.
Listen to the full conversation
If you prefer, listen to my conversation with Lin Youyi, media personality and public speaking coach on Capability Gap.
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