You really don't understand why a billionaire who throws around his vast wealth for the specific purpose of being an internet troll - laying waste to useful platforms in the process - gets people "riled up" as you put it?
I actually tend to enjoy his controversial content, but it's a laughing matter for you to pretend you don't understand why people call him an asshole.
Oh, he's absolutely an asshole, but I wouldn't say that he's any more of one than several other people that are discussed on this site without all the hatred and vitriol.
Honest question: You know where the term "asshole" comes from, right? :D
Wat den Eenen sin Uhl, is den Annern sin Nachtigall
For those curious, according to Google Translate this means: