Because he's a great friggin' scorer and probably the best finisher at the rim I've ever seen since Iverson.
Also some people are utterly convinced that Cousins leaves the moment the season is done so two years of Irving beats one year of Cousins. An absurd notion to me, quitting before the damn seasons started. Why even have a team at all if we're eventually doomed no matter how much better things get?
Two of the toughest to guard bigs in the league on the same team and there are those that think we can barely make the playoffs?