DRM shouldn’t work, that’s the problem. People should be in charge of there devices and those devices shouldn’t try to undermine that control. When you use DRM, you are under control by the company or companies controlling your computer.
The alternative way is to just sell the videos. This is the case for DVDs. You also need to shift the liability from companies to individuals. If a individual illegally publishes a movie on the internet they should be fined.