Among them, Hitler, Stalin, and Mao slaughtered on the order of 150M-200M. Trump has been President for a little over 2 1/2 years. I wondered if 150M-200M people in this world died of all causes in that time, and found an estimate that when calculated out, on the order of 380M-390M people died in all the world of all causes during Trump's time in office.
I think this psycho's case is one of ignorance - he doesn't know what magnitude of monsters Mao, Stalin, and Hitler were - and TDS. It was only in the 70s-90s that academia started, sort of, acknowledging how monstrous Stalin was. And I don't think Mao's slaughters - the worst of the three in sheer numbers - have really been acknowledged very publicly.