It wouldn't collapse the company, it would collapse the stock price if he tried to sell it all. The company would be mostly fine.

His shares are in a sense, out of supply, and when there is an injection of new shares, the price goes down as there are now more shares available to be traded. Its very simple supply and demand. There's no way he'd be able to maintain a sustained sell and have even half of what he has, unless he did it over a very long period of time. (edit: very late edit, but less than half and then he'd lose almost another half of that to taxes so maybe around 1/4 value and thats probably optimistic if done as fast as possible)

I am pro Tesla and pro SpaceX yes. All you online folks get some much wrong about the companies, sometimes blatantly wrong, and I do try to correct people on those matters at times because you're acting no fucking better than how the MAGA people you all think act terribly act.

This is a good example of me probably simping according to you: https://lemmy.world/post/42908537/22057585

You don't have to like the companies because of who runs it, that's fine.