I love this response.
Yeah, as much as this would be amazing to have, you guys have to realize that Apple is a very tightly closed ecosystem. Unless Apple decides to do something crazy and open OS level things up in the near future to independent developers, which isn't very likely at all, it's really not possible for these guys (Channels) to integrate with the tvOS TV app.
It's not like something that has an open API or SDK available for anybody to jump in on, it's controlled by Apple. Apple would have to view Channels as a nationally recognized company that they felt was going to massively enhance their revenue stream through hundreds of thousands, if not millions, of subscription purchases. As great as these guys at Channels are, and as underrated as this app is, it's realistically nowhere near the level it would have to be for something like this to happen.
SUMMARY: It's pretty safe to put this idea to bed, because at no fault of Channels, it's just not realistic.