Howard also said that part of the reason that he got less touches was that the Raptors went to a zone defense, and as such the risk of an intercepted post pass, double/triple teaming and fouling were higher. Of course, that zone defense wouldn't have lasted long if more players were shooting better from the perimeter, but not much we can do about that.
I think the reason Rocket's players don't pass it to Dwight in the clutch is because they're scared he gets fouled.