I'm skeptical of genetic theories constructed solely by a white supremacist [1]. A stopped clock is still right twice a day, but there's kind of a pattern of men who say "white people are superior and Jews are bad" also proposing other unfounded ideas in the name of "science".

Also he tried to get Jeffrey Epstein to fund this book. Neat.

[1]https://en.m.wikipedia.org/wiki/Jean-Fran%C3%A7ois_Gari%C3%A...