Just so we are clear, even if Shumpert's defense is overrated *and it is a little*, he has the physical tools to become one of the best defenders in the NBA. It's not hard to envision where he meets that ceiling. He is long, athletic, and has incredibly quick hands and good instincts. I think he just needs that push and drive that someone that a LeBron can give a player.
Dion never had the defensive upside that Shump has. Maybe not even a half of Shump's potential on the defensive end. And that's desperately what we needed right now.