Google TV, Apple TV, Hulu, and other online TV markets are trying to get the connection from Internet to TV right, but it has certainly taken a long time for this too happen. It all comes down to ratings and MONEY. Even though we all hate commercials, it is the essential part of paying for the programming we watch. Your cable bill increases as the decline in viewership penalizes you, the loyal customer.
Keep in mind that all this is entertainment and should no way consume your daily life even if Justin Beiber special on E! is only showing 1x this week and you don't have DVR/Tivo.