He didn't think about the details that deeply and the sudden move was a spur of the moment decision, unknown and unexpected by any designers Musk actually works

He didn't think about the details that deeply and the sudden move was a spur of the moment decision, unknown and unexpected by any designers Musk actually works with. A more charitable idea might be that any old logo idea might quickly become outdated, so it makes more sense to commission something from the best of the best, with your massive wealth, just in time when you need it.