Organisational culture is the set of shared normalities, values and behaviours in an organisation, which is precisely why fitting it can mean resembling the people already there.
Why it matters when the plan changes
Compatibility with how an organisation actually operates is genuine and worth assessing: a person who needs clear authority will struggle where everything is negotiated. The difficulty is that cultural fit is rarely defined before it is assessed, so it becomes a judgement made after meeting someone, where familiarity substitutes for evidence. Organisational culture itself is simply the set of shared normalities, values and behaviours in an organisation, which means fit can only be assessed rigorously if those behaviours are named in advance, not inferred from a rapport-driven meeting.
The tension is sharper when the plan requires the culture to change. Selecting for fit with the current culture then selects against the change being attempted, and does it invisibly, one appointment at a time. An organisation can hire faithfully for fit and find it has staffed against its own strategy. Left unmeasured, these choices carry a further risk: selection rates that differ by group can pass unnoticed precisely because no one is checking outcomes against any defined standard.
In practice
A group adopting a faster, more decentralised model keeps hiring for fit with its consensus culture, because that is what the interviewers recognise as good. Every appointment is defensible and the aggregate is a leadership bench selected for the behaviour the new model was meant to replace.
Evidence
Organisational culture is the set of shared normalities, values and behaviours in an organisation.
Organizational culture, Wikipedia (2026)A selection rate below four-fifths of the highest group's rate is generally treated as evidence of adverse impact, which loosely defined criteria can produce.
Uniform Guidelines on Employee Selection Procedures, 29 CFR Part 1607 (1978)
What it cannot tell you
Cultural fit describes compatibility with how an organisation works today; it says nothing about whether that way of working suits the plan ahead. Without a prior, behavioural definition of the culture, the judgement cannot be checked for consistency or for differential impact across groups.
Questions
Yes, when the culture, defined as the set of shared normalities, values and behaviours in an organisation (Organizational culture, Wikipedia, 2026), is specified in behavioural terms before anyone is assessed. It becomes illegitimate when it is a judgement formed after meeting someone, measuring familiarity instead.
Under the Uniform Guidelines on Employee Selection Procedures (1978), a selection rate below four-fifths of the highest group's rate is generally treated as evidence of adverse impact, and loosely defined fit criteria can produce exactly that pattern without anyone ever measuring it.
As specific observable behaviours the organisation actually requires: how decisions are made, how disagreement is handled, how much ambiguity people work in. Written that way it can be assessed consistently and checked for impact. Written as values adjectives it cannot be either.
Then fit should be assessed against the intended way of working rather than the current one, and that has to be stated explicitly. Otherwise every appointment quietly reinforces what the strategy is trying to move, and the bench ends up staffed against the plan.
Fit is about an individual's compatibility with how the organisation works. Alignment is about whether groups across the organisation share the same working assumptions. One is a selection question and the other is an organisational one, and they are often confused in the same conversation.