Scott Alexander, by far the most popular rationalist writer besides perhaps Yudkowsky himself, had written the most comprehensive rebuttal of neoreactionary claims on the internet.
Hey Trace, since you're undoubtedly reading this thread, I'd like to make a plea. I know Scott Alexander Siskind is one of your personal heroes, but maybe you should consider digging up some dirt in his direction too. You might learn a thing or two.