I think Hallquist had a short-lived blog with criticisms of LessWrong and EA between his time on FreethoughtBlogs/Pantheos and his run for office and Medium blog. Possibly https://topherhallquist.wordpress.com/2015/08/17/reply-to-scott-alexander/ In the original Twitter post, Hallquist described Alexander as "a vague internet acquaintance at the time (when he sent the emails)" and it sounds like after 2014 Hallquist explored LW and EA and decided they were messed up. (Hallquist's post also suggests that if you want to sound like a bold contrarian, see what a median expert at a university think about a topic rather than reading blogs).

I like to remind myself that I see what happens online, but the offers of money and the sexual propositions probably mostly happen in person or between people who have met in person. So I don't know as much about the LessWrong or EA communities as I think.