They said "Man, fuck all these white dads coming in here these days" before he revealed he wasn't even white.

I don't understand that your statement.
Why should hapas exist to validate the choices of questionable white men? My take is, if your concerned about your relationship and you sort out information on it out of insecurity, you've probably failed already. If you have an aim of making sure your kids don't end up on hapas, that's also a good thing. Part of that aim may be taking learnings from hapas and applying it to raising children.
Then we have the bad class of white dads, who are insecure and only post to troll or subvert the message.

Yes, I am pointing out your hypocrisy and bullshit.

I could say the same thing about you.

I kind of reckon, you have more of a reason for bias. I've lived away from my parents for years. I still see trends discussed on hapas in society and my social circle, hence my interest. For example I know about WMAF 5 or 6 couples (1 less now due to WM's ignorance over race). All of them display signs of toxicity discussed on hapas.