Watching him work is like watching a monkey trying to f*** a football. If he was in my squad, the only tool he'd be touching is a broom. People should have to pass a test before reproducing. It should cover vector-based integral calculus.
A guy with a PhD in physics once interviewed for a very junior version of my position. We had finally convinced the powers to let us sit in on these interviews so we quit getting waste-of-skin types. During the interview an object was tossed on the desk, and he was asked to identify it.
"What's this?"
"A wrench?"
"Yeah, what kind?"
"A...wrenchy wrench?"
Spoiler, it was a combination wrench. That guy's name was forever Wrenchy Wrench from that moment on.