Yeah, seeing that recently was a good reminder that my phone is not under my control.
Only this time, unlike with Betamax[1], they are winning. Backed by anti-circumvention laws like the DMCA section 1201, which makes any lock, no matter how poorly built, a criminal violation to break or even to build or discuss ways of breaking.
[1] https://consumerist.com/2014/01/17/on-this-day-in-1984-the-s...
As does telling your browser to display the desktop site instead.
And I guess once you stop paying, it’s all gone?
Periodically the downloaded videos become unavailable offline if you don't have an internet connection to refresh them. Maybe once a month or something. Which means you can't hold on to a video through their service indefinitely.