Oh man, I think that would be my breaking point. I never understood why they don't simply incorporate advertisement during the game and reduce all the mandatory commercial timeouts. The game would flow so much smoother.
For example, while the players are in the huddle, simply put up a Bud Light graphic on the TV or have a Toyota Tundra drive across the TV and run over Tom Brady in the huddle. In all seriousness, other countries do this with their sports broadcasting and I think it's an effective way to sneak in the advertisement without a mandatory commercial timeout. I understand the regular timeouts during the course of a game, but to have mandatory commercial timeouts makes me want to vomit.