He may be mistaking when he singed up for some “deal” package they offer to get people to switch to them. Like get all three for 12 months for 25 dollars a month. But only if you get all three.
I haveAT&T, and haven’t had cable in years.
It’s probably a kick back to the local government. Comcast pays more to have the cable TV/internet monopoly with the city so the city doesn’t mind screwing the citizens.