However, as annoying as it is to see Comcast find a new predatory business model, I don't see much difference between this and VOIP or even traditional cable, other than at the terminating end the bridge serves the information into your local network so that non-dedicated clients can get at it too.
If all this really does is move the functionality of the set-top box into an app, which is my current read, it's really hard to say this isn't OK.