I got into this in another thread. This was shocking to me-- we were screaming at the TV to hurry up and move down the field as the clock was ticking down. And then Gore....
I watch a lot of pro and college football, and you rarely see anyone go into a shell like that at the end of a half (unless deep in their own end, of course)-- it is always attack. Bills coaches, on the other hand, always lean toward the ultra-conservative in these spots.