All you have to do is connect to a site to get infected. And once your computer is infected they can snoop on all the traffic in your home network.How ? I dont even have to sign in to watch anything. Theyre just random zigts that post mostly bootlegged flicks with indian sanskrit , watermarks and commercials and them a few months later they post the hi def version.
Consider how much it costs to pay for the bandwidth to stream shows to tens of thousands to millions of people. Consider the cost to buy the computing power to capture live tv and compress it on the fly. Consider the money it takes to hire people to design the app and or the website. Consider the risk of going to prison.
Why would anyone go through all that cost and risk just so you can watch free TV?
They don't.
They harvest passwords and user information from you and sell it on the dark web. That's how they make money. Otherwise they would be spending their own personal fortunes to do you a solid lol.