Maybe the site needs a quick explainer of what Elo ranking is. Perhaps people should have to pass a multiple choice question about it before they can start ranking.

Conflating Elo ranking with goodness is shockingly dimwitted - I'd think it much below Hacker News commentators, but apparently that's not the case. Of course Hitler would have a high Elo ranking; he's objectively one of the most powerful and influential humans of all time.