As for your rebounding comment.... It certainly helps, but if you play any player at PF or C they will get rebounds regardless of their skill. Milwaukee Lethargy has a player with absolute 0 in the rebounding skill and he still managed to grab something like eight rebounds, if I remember right, in a single game because he played inside.
But what is the rebound ratio compared to the opposing PF? All numbers need to be normalized against something. If you are getting 8 boards against an opposition's 24 it's completely different than getting 8 against 4.
All skills in this game [outside of passing and FT which I've seen anecdotal examples of zero return on zero investment] can function in the absence of skill within. But figuring out the bottom [normalization] is the key. So is giving up X number of boards worth forcing X number of shots? This is what one most figure out really.