The basic thesis of the book seems pretty convincing, criticism seemed to be as you mention "howled down for the soft-pop-sci" and "reprehensible egotist" rather than the thesis being actually like wrong.
Pinker was pals with Jeffrey Epstein, which is getting into legit villain territory
"Pinker was included in the flight log for Epstein’s plane, which was dubbed the “Lolita Express,” for example, in 2002. He was photographed with him at a gathering in 2014. And he shared an affidavit from the case via Twitter in 2015."