He is proficient with magic technology.

He's an idiot when it comes to literally everything else. He does frequently overcome his idiocy in other areas by using his magic technology to dominate the situation but it backfires just as often as not. He thinks he's better than everyone else, and in one powerful way he is, so he uses that to compensate.

Anything to do with people or reality not filtered through an alcoholic depression lens it's very clear he doesn't know how to handle it, and that includes basic self care.

The problem is that a lot of idiot savant tech-heads see themselves in him but miss the constant intentional criticism of his character.