I don't think you ever need a blow out or devestating loss.
However, history is replete with teams that suffer one and use it as a motivating factor to turn their season around. We did it in '95 when things looked bleak after the 49ers and Eagles debacles. The 'Skins did it last year after being blown out 36-0 in NY. We did it this year after being manhandled by the Giants on Monday night.
The thing that concerns me is the way the plays were called last night, this weakness has been apparent in a Zimmer led defense for years, and it still hasn't been corrected. The players looked lost last night. Every play that was called look dumbfounding to them. And that is what concerns me.
Can we respond? Maybe. But, I'm tired of laying eggs like this when we have a chance to do something (is this a broken record or what?), and never think anyone needs a blow out loss.