Yes, if a website clearly stated that by accessing the content of the webpage you agree to not use an adblocker while doing so, that could well be legal dependi

Yes, if a website clearly stated that by accessing the content of the webpage you agree to not use an adblocker while doing so, that could well be legal depending on the circumstances. Enforcing it would of course be difficult. If you found out Netflix actually streams their content from a public endpoint. You would not be legally allowed to take advantage of that.