How breaking up would help? Instead of one huge Comcast you'd have 1000 regional mini-comcasts, with the same people and same rules. If some region has only one cabling network, they'd have only one mini-comcast controlling it, and so nothing would change for them - except for mini-comcast eating up the costs of natural disaster actually may be a huge hit, unlike Comcast today for which it would cost them less than salad dressings on annual employee appreciation barbecue (provided they have one).