I'd take it to be acceptable meaning in either time frame, now or ever
There are no guarantees, yes?
So, there is at least an equal measure of possibility that a new coach comes in, ESPECIALLY and unproven coordinator and actually makes things WORSE.
For what? To slake the bloodthirst of a gaggle of low-comprehension fans?
Change for change's sake isn't always a good thing.
OK, genius, name me a coach you can guarantee wins the bIlls a SB