I don't see how this is going to fix the problem. There are too many possessions at this point -- not too few turnovers. If you convert some ill-advised last second shots into turnovers, you might be fixing the FG%, but you will get teams averaging 25 TO/game, which is another problem in its own right. That's what makes the situation difficult to correct.
To me, the solution lies in improving the effects of pace yet again: slow pace should work very well for good teams, so maybe an exponential effect on the quality of the shots created is in order. Weak teams should try to compensate their lack of skill by jacking as many shots as possible without too much loss of quality.
It seems that currently it works in the reverse, where bad teams should supposedly slow down the pace to make the opposition shoot less shots. And again, this is difficult to calibrate since how many shots your team takes directly affects the number of shots the opposition takes.
I agree that simply upping the number of turnovers doesn't change the number of possessions. Nonetheless, that is one of the ways in which the BBs seem to want to deal with the issue. I would prefer to see possessions result in more than just a made or missed basket and subsequent rebound, i.e. loose-ball fouls, loose balls knocked out of bounds, shots caroming out of bounds, more offensive fouls and so forth.
Increasing the number of loose-ball events might actually cut down on the number of possessions. I was just saying that to me, this possession issue is the reason why BB game statistics are out of whack. I've said on these forums that I think 3-point shooting is not as good as it should be, and that overall shooting should be a point or two higher on average -- at least if real life is what we're simulating here.
I think slow pace should work well not necessarily for "good" teams, but for teams built to play a halfcourt style. If all you have is smaller shooters with good passing and handling, and not many inside skills, the halfcourt should be less effective for you because you have to make lots of outside shots and your drive-and-kick plays are less of a threat to net points inside. I've never understood the notion that a lesser team has a better chance to beat a good team merely by throwing up more shots. It still depends on who's making what -- the better team will get more possessions if the lesser team plays Knicks-style basketball and because it's better, it has a higher chance of scoring on each one.