Fixing diversity (and not just gender diversity or even diversity of colour and culture but also age and physical disability) is valuable in attracting employees from diverse backgrounds.
We can agree on that.
But fixing diversity is also valuable in retaining those employees from diverse backgrounds.
Your inbound funnel of diverse potential new hires is important, but if they are inside your organisation only to wake up one day and realise that after two years they are still being held back or are being actively suppressed, retention of good (diverse) employees will be difficult.
Your diversity programme doesn’t end at the termination of the hiring funnel.