It would be even more popular if the new generations were more tech savvy. Kids growing up with iphones do not have computers and a huge percentage that do, doesn't know how to use torrents, vpn, proxys etc.
No subs, no sign up, I had no idea for a long time. She had no concept of what was legal, illegal or copyright, she just went a found what she wanted to watch.
She'll be alright I reckon.