There's absolutely, 100% no question in this day and age to be successful consistently you have to have a very good passing game, no question. That being said you don't have to throw it 60 times a game to have an effective passing game AND you have to have some semblance of a good running game or teams are just gonna tee off on your qb and wrs. Even Brady can't win a game when he has to throw it 60+ times.