That's because you're accustomed to Bills teams of the past. The kind of teams that lose critical games to the other guys' backups and generally come up small at the worst possible times. Thankfully I think those days are behind us -- from the coaching staff to the QB on down, this seems like a team that's going to be ready to play no matter what.
I mean, you could tell Josh Allen that the game has been moved to tomorrow morning, in the parking lot of the abandoned drive-in two towns over, and the first words out of his mouth would be "Who needs a ride?"