Would we be better if he could do so and also rebound as well as a true Power forward? Of course. Personally I don't think he is a power forward though. His numbers look better if you think of position designations as exactly that: Position. Are they inside or outside players. Where does a player do his work on the floor? Your pet metric fetishizes offensive rebounds. Bertans will suffer in that metric if you compare him to players who snatch offensive boards, because it is hard to do so when you are busy hitting shots from 30 feet out. If you compare him to perimeter positions, instead of classifying him as a PF because of height (as most box score designations do) you'll see he stacks up better. It's fine though because opposing coaches make the same mistake and will send their bigs out to chase him on the perimeter. This opens up backdoor opportunities for players like Bonga, Mahinmi etc. to name the ones you cite.
I understand you were in a hurry to make your point, and frankly, yes, be a wise ass, but I think you only managed one of the two, and I'll give you a hint, it wasn't the 'wise' part.

The team was better with Bertans on the floor. The team scored better with him on the floor. That is what the +/- numbers are saying. You can parse it finer by looking at individual pairings to note that even with crappy players the team was less crappy with Bertans + anybody. The point is the team was significantly measurably improved with him on court. Yeah we were a lousy team, but he did his part. His part was not to stand under the basket and bang for boards. Yes that is a key role on any team, we need that player. We need players who are good at all aspects of the game. But teams can succeed with highly skilled specialists playing their role well. Bertans played his role well, he just wasn't playing the role you expected him to. We do need that player, also. Bertans is too busy scoring quickly and making teams scramble to chase him to also play the role of efficient banger underneath.















