I get your point, but on the other hand, Musk (and his hyping/scamming) is the only reason why anyone even knows about Tesla. Were it not for him, Tesla would just be one of many (tens?) of struggling car makers. So sure, Elon Musk has been very bad for Tesla, but before that he was very good for Tesla's valuation.
True, but that's in the past. If Telsa wants to flourish into the future, it will be without Musk. He did his part, and made himself billions in the process - from a Tesla perspective its time to move on.
Tesla's most important failure is Musk. That's why TSLA shareholders are trying hard to oust him.