I think, because he was really good in college too, people forget just how much Kawhi improved in the pros. He made a much bigger jump than people projected for him, so for anyone at all to reach the Kawhi level, is unlikely.
That being said, Flagg is sooooo young that the dude MUST have a lot of headroom to improve and he is a hard worker on doing just that, so he may be the rarity where one could expect a Kawhi level improvement going forward.
Regarding the whole white guy thing- it's funny people mention statistical expectations, but Europe has shown us it's all about the coaching/expectations that these tall guys get when they're younger. As more fathers and coaches insist that these 6'6"+ guys be trained to handle the ball and pass, and get training to maximize their fast twitch muscles to their highest potential, you're going to see more and more US white guys in the upper echelons- you probably would already see more if there weren't so many legacy NBA kids coming up through the ranks like Harper.
Its interesting watching the ASG activities and how much of it revolved around US urban culture, whether that will change as the NBA becomes more international and racially blended...
