It is a contradiction for which no proof is offered (no, a reference to a quora post doesn't count, sorry). It is not consistent.

I welcome any proof on any direction (diversity of personal origins is good, divergence of company values is bad / diversity of personal origins is good, divergence of company values is good / diversity of personal origins is bad, divergence of company values is bad / diversity of personal origins is bad, divergence of company values is good)

Here, I just don't see any (except repeating politically correct clichés)

Facts are usually stronger than a doctrine, however sweet or morally "better" it may pretend to be.

If there are no facts, it's not even a theory but an hypothesis or worse- someone wishing the word to be a certain way while it's not (and getting burned in the process, and getting other people burnt too if they believe such claims)

I don't "want to believe" in anything - not on HN. I just want to see facts, i.e. anyone is free to advocate diversity, racism, sexism, whatever- but that person would better have some solid facts to back such claims.