I’d be pissed if I was one of these companies that supposedly already started building factories in the USA

One of those is actually two possible outcomes. There’s TSLA Tanks (the stock) and TSLA Tanks (TSLA becomes an arms dealer), and they aren’t mutually exclusive.

I think it’s far more good than bad. He helped create a monster that he could never control. His monster was always going to be a monster with or without him. So at least with him going there’s a chance there will be one less skillful madman near the levers of power.