He's got some obvious skills, but in my opinion he's an utter marshmallow. I just don't like soft players. I hope we trade him. It's why I have no problem in drafting another PF. We've got depth at the position, but both Sully (weight) and Olynyk (Low-T) are both better as reserves than as starters (and Kelly's softness just irritates the pisz out of me.)
I like guys with a bit of toughness too, though to be fair there hare been lots of guys who have gone far in the league without being especially tough.
* Tim Duncan (Like a quiet lil puppy dog)
* Dirk Nowitzki (I've never seen a single mean streak in this guy)
* Kevin Durant (There is nobody softer)
* Chris Bosh (publically complained about Asik diving for a ball because "thats how guys get hurt")
* Lebron James (I'll cop flak for this one, but Lebron is soft as a pillow)
* Stephen Curry (not exactly a guy who will go starting bar fights)
* Derek Rose (scared to play in case he hurts himself and misses business meetings, apparently)
That's just a few off the top of my head, but there are many more out there if you wanted to really sit and think about it.
A guy with excellent skills and/or talents (and who knows how to use them) can go pretty far in this league.