pdx.....I agree in principle but think in WGT terms, once the game loads, the game settings are locked in, and thus would require changing the parameters - normally I would say fine, but with WGT programmers, I am not sure.....who knows what monster they would create!
@swing and ball changes - the answer is no, it will not happen and has been cover a gazillion times. Make sure you have enough balls before you play, or buy more of the same during a round.