This isn't a Marxist or globalist position to take.
There seems a very USA-an issue with a subset of middle class white people who seem to have adopted a kind of separatist prescriptive racial or gender isolationism at the level of the individual.
I can't quite work it out but it's ultra consumerist liberalism (as in I buy my own identity) mixed with the sort of moralistic shot we usually see with mass movement conformism.
It's not spread far outside the Anglo world, but as a subsidiary of US culture we have it in the UK.
It's a very small proportion of people that really espouse it, but it can be quite difficult to question since it can present itself as overturning historic oppression, and hijack legitimate anti-racism, homophobia and mysogyny.
That this idea may have popped up in gaming isn't surprising, after all we are a hobby that is all about roles and identity and constructing and playing with new ones.
It's a gaming issue, but one needs to careful to conflate it with the broader social-democratic movement.