> I wonder how well Sagan's own "baloney" holds up against his kit. Historians despise the guy for all the stuff he made up about the library of Alexandria, Hypatia, Eratosthenes, etc... People still repeat a lot of that to this day.

Yeah, but he's a saint of science-fandom, so don't question him. Instead, admire and follow him, and encourage others to do likewise.