No, not over at all. They have the playbook of every other NFL team and it's not something a team can change over night or in a few months. Not only is this season suspect, so are the previous ones. How tough is it to win when you know what the other team is going to do?
They don’t have the playbook, they HAD the signals used in those games. They turned in the tapes, and teams change their signals constantly. And even without the “bad” tapes they could still have the signals, it’s perfectly legal to steal the signals, they could have easily put a dozen guys with binocs in the stand using dance annotation to write the signals down then key them to the league tape of the games all teams are provided with, or the coaching tape all teams make and WALLA they have the exact same data through 100% in the rules means.
And actually it is something the team can change over night, in fact it’s something most teams change every single game, in fact many teams change the calls every quarter, in fact we know some teams use a signal method that’s effectively a one time pad so the same signal refers to a different play every single time it’s used (Matt Hassleback discussed this in an NFL Network commercial, Seattle never uses the same signal to refer to the same play twice).
So yeah, it’s over.