We got away with some things in the first few games that didn't seem so terrible because in the end we secured the W. Yesterday those issues were compounded, and against a solid team - even without the HOF QB - they made us pay for the mistakes.
Clean up the things we can control, and we'll be OK. But continue to play that undisciplined, and we'll be in trouble. In the Suberb Owl era, we also played undisciplined a lot of the time with penalties, lapses, etc. But our talent level was so high, we ran over teams in the end. This group doesn't have that luxury.
If we can get back to run blocking like we did just last season (with basically the same personnel), it will help a great deal with pass protection also. Couple that with tackling more effectively on D, and we'll be back in the playoff hunt at the end of this year.