I think Moldbug is somewhat on target
In this case he could not be farther off target if he tried. Yvain's writings are some of the best, most engaging, most charitable and most reasonable anywhere online. This is widely acknowledged even by those who disagree with him.
Unfortunately most of Less Wrong is non-Yvain.
If it's worth saying, but not worth its own post (even in Discussion), then it goes here.