Game 1: SF, NOT a Guard is shooting well, and guess what? He´s playin against a PF and a weak PG. Without SF, u´ve got 4-12, which means 33%.
Game 2: PF playin SG, PF playin SF, 11 (low) as team rating, 5-13 from ur 141k-SG.
I don´t see any arguments in ur games. All i see is a team able to win with outside tactics, but not because of great 3-Point-Shooting-Ability. Instead, it´s the missing of OD at ur opponents, which helped ur team to win. Your only loss is an example what happens, if the opponent doesn´t play with PFs at the perimeter, just with some guards who can only defend well and pass a little bit.
I give u no chance competing in the finals with an outside scoring team, and the only reason is OD to cheap in view of its great impact. I´d be happy, if i should be wrong.