[predakanga]

Not seeking to invalidate your point, but DVDs and Blurays can stop you from fast forwarding, most famously for the FBI anti-copying warning.

https://en.m.wikipedia.org/wiki/User_operation_prohibition

[Simon_says]

Thanks for the blast from the past. I haven't watched any non-pirated media for 10 years. It's a superior experience.

[themistocle]

Wow, I never knew that. Reminds me of some recent moves to prevent skipping ads on streaming video.