Ok, I'm probably going to get downvoted to hell because of that last paragraph. And, you know what, that downvoting impulse due to that paragraph pretty much makes my case for why Wei Dai was wrong to do what he did. Think about it.

Interestingly enough I think that it is this paragraph that people will downvote, and not the one above. Mind you, the premise in "No wonder folks here are so in love with Evolutionary Psychology." does seem so incredibly backward that I almost laughed.

No. Not at all. It is because he disagreed through the wrong channels, and then proceeded to propose rather insulting hypotheses as to why they had gotten it wrong.

I can understand your explanation here. Without agreeing with it myself I can see how it follows from your premises.