And it's exasperating to see highly intelligent men make the rookie mistake of saying "women are stupid" or "most women are stupid" because they happen to be high-IQ. There's an obvious selection bias - intelligent men probably have intelligent male friends but only average female acquaintances - because they seek out the women for sex, not conversation.
Another possible explanation comes to mind: people with high IQs consider the "stupid" borderline to be significantly above 100 IQ. Then if they associate equally with men and women, the women will more often be stupid; and if they associate preferentially with clever people, there will be fewer women.
(This doesn't contradict selection bias. Both effects could be at play.)
You're right; my explanation was drawn from many PUA-types who had said similar things, but this effect is perfectly possible in non-sexual contexts, too.
There's actually little use in using words like "stupid", anyway. What's the context? How intelligent does this individual need to be do what they want to do? Calling people "stupid" says "reaching for an easy insult," not "making an objective/instrumentally useful observation."
Sure, there will be some who say they'll use the words they want to use and rail against ...
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