I don't know much about AI or his smartphone system, so I can't judge that. He may be smart, but that doesn't mean that he isn't scum.
Being hired by any Silicon Valley company tends to mean that one is scum because Silicon Valley is pure scum.
I don't know anything about his personality other than his horrible song on his website. I can judge by code, so if he has any open source code, I can look at it.