Your defensiveness, while understandable, is not helpful.
Brushing this off as "gaming in general" ignores the specific and unique reasons why white nationalists are drawn to Warhammer or Crusader Kings or Chivalry or Europa Universalis or whatever.
It's great that some of the developers and communities involved are trying to combat the bigotry that is drawn to them, but it's also not enough to say "job done, problem solved" because it's not.
This is a conversation that is valid and that needs to happen, and trying to shut down that conversation is not acceptable.
what is your solution?