They haven't figured out how to get the ad revenue back to network who is broadcasting the game and who has paid the team a mountain of cash for that. Plus, if you can watch through mlb.tv you won't have incentive to subscribe to the channel or the package that contains that channel. We are in the middle of a change in the economics of entertainment, but there is one thing you can bet on, no matter what happens, you will pay more for what you want and get a bunch of crap you don't want as part of it. Which is just like now, only different.