This is the 'ends justify the means' argument. No matter how ruthlessly power / money was accumulated by a person, the fact that they somehow did it, justifies it.
It's undeniable that some progress happened thanks to Elon, but people like him can't stay in their lane and immediately assume they are demi-gods capable of doing anything.
They start reshaping the world according to their psychotic beliefs and ultimately make all of us worse off. Unchecked power is not and will never be a good thing.