Realistically: Users use what's available, affordable, and easy to use. That's why Netflix is successful not because of DRM. You could get every bit of Netflix

Realistically: Users use what's available, affordable, and easy to use. That's why Netflix is successful not because of DRM. You could get every bit of Netflix from Pirate Bay without DRM for free as in beer. When Apple dropped DRM from music their revenue didn't go down. It increased instead.