The only situation I can think of where that makes sense is if you have a really fast fiber connection to the Internet but no cable at all, and really want the

The only situation I can think of where that makes sense is if you have a really fast fiber connection to the Internet but no cable at all, and really want the equivalent of cable TV. If I'm getting my Internet through Comcast and really want cable TV that bad I might as well go through them and take advantage of the bundles.