"They have superhuman luck as well." He glowers, why are all the most obnoxious humans able to just drop in and out of problems as needed? Why do things just magically work out for them?

It's because he keeps befriending main characters.

"That could be said about any race. There are 400 year old Drow who are complete idiots who couldn't think themselves out of a closed room if their life depended on it. Elves as well. I suppose what it comes down to is everyone wants to be the center of the universe and that becomes impractical if others are around insisting they're also important and worthy. That's why there's a pantheon of gods and goddesses who can't get along."