He can only do that if he owned Tesla and SpaceX outright. But, Tesla is a publicly-traded company with tens of thousands of shareholders that’ll sue him into oblivion if he tries that.

SpaceX is privately-held, but has raised billions of dollars from dozens of investors, so that won’t fly neither.

He's proven that you can do pretty much anything if wealthy enough and face almost no consequences.

I suspect this is only true if the wealthy people protecting you keep making money.