The oddest thing about the whole affair is that, even if Musk is a genius tech executive that can build exciting new products, that has almost nothing to do with the cost efficiency process that Twitter needed.
You don't even need to be in tech to comb through the books and identify where things need to be cut. This is your standard financial CEO's bread and butter.
Imagine putting Steve Jobs at Twitter. You don't need a tech CEO to straighten Twitter out.