Funny thing is, it looks the other way around from the other perspective.
Maybe what you're seeing is not a bias against race- and sex-based DIE initiatives, but your first taste of balance in discussions about them.
Maybe because you assume that your argument is correct, whenever you see the other side at all, you feel like there's an imbalance, when perhaps it's just that you have a warped view of the landscape of opinions on these matters.
When someone is offered a conversation and results to name-calling and straw-manning, isn't a downvote what you'd expect?