Its not a bad question, but I think that you some of the players you mentioned for examples just weren't well thought out. Beisel, Willie and Gorin. And believe me. I want Gorin gone. However, not at the cost of hurting the team. And by that I mean that the Patriots have used at least 4 OTs in every single year that Bill has been the coach. That's 6 straight years.
I think that Kaczur is going to push Light to the RT position and that Gorin will be pushed to the bench. Hopefully, the Pats draft a OT/OG type player who can, potentially, force Kaczur or Light inside to a guard position. Then the Pats could cut Gorin and not think twice about it.
As for Beisel, I believe he was a project. As do many others. I don't think anyone believed that he should have been starting at ILB for the Pats when he first got here. Does he need work? Yes. He needs about 10-15 lbs and he needs to learn to explode into his tackles and aim his tackles at a players chest. He needs to NOT try and wrap up high. That was the biggest mistake I saw from Beisel. He tried to wrap up high too much.
Now, if he can't make the necessary changes by the end of the 2007 season, let him go. No biggie. Worst that has happened is that you had a damn good special teamer around.