#1 defense against Bears, Lions, Vikings, and Packers with a crazy crowd at home.
#32 defense against the Pats, Dolphins, and the entire AFC West, including a much poorer Raiders team.
The problem with discontinuity is you have 6 years of first year Bills coaches, where 4 wins are acceptable, and 8 wins is winning the Superbowl.
Rex get's another year, and he's fired if he goes 0-2. John Harbaugh goes 0-2 and he's still the savior.