I mean the things you acknowledge people hating him for probably overlap considerably with the things I'm thinking of when declaring him mediocre. To pick just one: Think of the boring CEOs who work hard to instill and drive an inclusive culture at their companies, and who make sure their people are treated as human beings. You haven't heard of any, because they're not out there trying to be an entertainment personality.

Outside of hoarding wealth, I haven't seen much evidence that Elon is particularly good at anything.