If they want payment, they can require registration, agreement to payment and authentication. Nothing’s stopping them. If they put something on the open web and try to monetize it, nobody owes them a living. If I put a display in a shop window, and include wording that says that looking at the display means you’re obligated to also hear a sales pitch, everyone will rightly tell me to fuck off.

Choosing not to load potential spyware, malware and bloatware while looking at free content is no more piracy than is crossing the street while shopping to avoid a tout.