Why does Tim Duncan not get the respect, admiration that Kobe and Shaq do? Dwyane Wade? how come?

Tim Duncan has 4 rings, 3 Final's MVP's, 2-time regular-season MVP, 1 All-Star Game MVP, 13-time All-Star, 8-time All-Defensive First Team, 9-time All-NBA First Team. Why is he so underrated?