"We are absolutely appalled at this behavior!" [Buys more stock in Tesla] "I mean really, this has gone too far!" [Collects dividends] "He needs to resign, this is disgusting!" [Watches stock price climb] "this antisemitism must stop or else!" [Buys more stock]
But you buying and holding also contributes to the price going up. Just as you refusing to buy or selling your shares contributes to prices going down. This is how Elon has manipulated markets for quite a while.