I'm not sure what you mean here? Musk has a history of doing both incredibly useful and cool things, and also incredibly dumb, cruel, and for some people even terrible things. That context should be part of any clear thinking around him. He does not get a clean slate in every new discussion of him.
There are widespread, legitimate concerns about what kind of person Elon Musk is turning out to be. There is a lot of chatter about fears of China's AI rise, but what happens if we get Elon's brand of cruelty and lack of empathy in an authoritarian superintelligent AI ? Is that the AI future we want? Can you imagine an SAI with real power that interacts with people like Elon does on Twitter? I am not sure that is a future I want to live in.