I think what you are confused about is that these days most talking about diversity is for the purpose of signaling the tribal identity of the speaker, as oppos

I think what you are confused about is that these days most talking about diversity is for the purpose of signaling the tribal identity of the speaker, as opposed to conveying some message. Thus, once someone signals their belonging to the other tribe (“I work for amazon and it’s quite okay, those damn journals don’t know a thing about life”), the other signal sounds strange and out of place.