Most if not all are just lifting signals, digitizing then reselling for what they can get. As soon as they are found out and get shut down, they move on.

Be sure you don't give your credit card to the thieves.

On the legit side you have Hulu, Netflix, Amazon video, Apple TV and such.

The next issue you find folk run into that internet providers often but the speed to folk that hit certain byte counts.
Bob