Simple example every Comcast customer suffers with: Comcast services (including VoIP and streaming TV) don't count towards the monthly bandwidth cap. So if you watch 2 seasons of a show in 4k via Comcast's streaming service that doesn't count towards the cap but if you watch the very same show via Netflix it'll put you over your bandwidth cap, resulting in additional fees.

It's an egregious violation of network neutrality and, IMHO an abuse of their natural monopoly. Internet providers should not be allowed to also sell content/streaming services or own media companies! It's a huge conflict of interest that will always disfavour the consumer.

Furthermore, when Comcast streams their own services they get priority over all other traffic; even traffic going to your neighbor's Internet connections. So if your neighborhood is experiencing a bandwidth crunch and your neighbor decides to watch some 4k stream via Comcast's service the back-end routers will prioritize that traffic over any and all other traffic which will interfere with everyone's else's Internet connections. So if your video stream suddenly drops to 480p for no reason (wired connection, no bad weather) it's probably because someone in your neighborhood decided to watch something via Comcast's streaming service.