It is such a shame that this has happened because not only they invested in a coin that is not the worst that we have here in the market but it is really far away from being the best
-snip-
That's just the problem in a (currently) unregulated market like cryptos ... Everybody can advertise for anything and doesn't have to fear any consequences. This would not be possible in the stock market, for example, or would result in severe penalties if advertising was done and the price then plummeted massively - as is the case with Doge.
I'm not even accusing Elon of malice, I just think he likes the fact that he can manipulate the market like this and does it primarily for fun.