I really don't have a dog in this fight. Twitter is a cesspool now and will be if/when he ultimately acquires, though I concede he could make it marginally worse, I suppose.
But I also think much of the speculation about personnel decisions is maybe a little more complicated than it's being made out to be.
And Musk, for his part, doesn't appear to have much knowledge of the product he'd be acquiring, so he needs people with at least some institutional knowledge around him. Mass layoffs, particularly ones as punitive as those doing the speculating seem to envision, seem to run counter to the goal of surrounding oneself with people who have institutional knowledge of the product that Twitter is selling.