I mean what do you think they're letting go? The NBA does miss travels sometimes, but again, they have a different rule and I think that's a much harder call to make in traffic and game speed than you guys imagine.
But in terms of letting fouls and stuff go? The NBA is pretty spot on with foul calls most of the time. Some guys get the star treatment which is true of any sport.
When I think of letting calls go in basketball, I think of like a Purdue/Wisconsin game where the game looks more like a male orgy than basketball with all the mugging, pulling, yanking, and hip thrusting goin