To sell if for 2 Billion after the jump in price? Or to drop the price and annoy some people? I mean he openly manipulated the price and exited pretty fast. Now it's even lower than before. Longterm he probably made more harm than good.
understanding the difference between rich and ethical (last comment) to
rich investors being wise or not (you again)
To make it short: Just because Elon or rich investors buy doesn't mean they are unwise (for themselves) just that it's bad for the world (ecologically), so basically both can be true. Just the difference between thinking about themselves and thinking about other people as well...