I couldn't agree more. I think teams are trying to find an edge, but I don't believe that other teams in the NFL are videotaping play calls from the sideline. I've heard of teams bringing in former players from rival teams and I'm sure they try to pull any play calling, team secrets, nuances, etc. out of those players, but there is a big difference between that and going against the NFL rules which specifically state that you cannot use video specifically aimed at monitoring play calling.
A number of players from other teams have come out saying that this behavior is shockingly wrong and I definitely believe them over anyone who says that "everybody's doing it." But even if other teams were doing it, that doesn't make it right. It certainly is astonishing how well the Pats adjust to other teams in the second half and how well they've done the past few years without superstar talent. Hines Ward reitterated his comments from last year about how the Pats "Seemed to know what the Steelers were going to do on every play" during last year's playoff game. The Packers found the same camera guy videotaping their game last year (the one they lost 0-35) and kicked him out of the stadium, so its not like this is something new.
Personally, I don't think any punishment is too severe, considering that the Pats may have used this advantage to win multiple Superbowls. What's really sad is that players and coaches have lost their jobs based on defeats by the Patriots, so its not just some trivial event without consequence to others. I'd recommend taking away any draft picks for a year, suspending the coach for four games, and fining them a million dollars to really make it sting. Even that doesn't seem like enough if the Pats won their SB rings because of this.
I used to think the Raiders were the crummiest team in the NFL, but the Pats and their cheating really take the cake.