Sorry, you're more forgiving than I am - if he quits the team before the season is over, screw him.
You don't quit your team during the season.
Think this may be the first, lol, but I disagree with you. I hope he is able to stay but if he misses spring training, unless he goes to a team coached by LK, he has no shot at becoming the starter. I just can't hate on Bateman. If he were not a team guy he could have left before the first game when he saw he was no better than 3rd on the depth chart. He may believe, probably wrongly, that he still has a chance to make it to the next level. Coming out of high school he had a world of confidence in his ability, for what ever reason it just never happened for him here. I completely agreed with you on he who shall forever remain nameless, may his name be erased from all records, but I just can't feel the same for a guy who came out every week and just did what was asked of him. When the season started he thought the best he could achieve was holding the ball for the kicker and he still stuck it out.
I hope his next team does not take a hard line approach with him and lets him finish this thing out. Nothing in his character has shown me that he will not do everything he can to be there for this team. I think he is trying to secure his own future now, as misguided as that may be. He still believes in himself and that he can get to the next level.