But once that link is online, anyone can reach to it. Even the people who didn't pay for it. Correct me if I'm wrong. They need a link generator for every payment. Or have the video show up in my not yet developed "Paid Videos" section on my youtube profile.
I would need to share my link with someone else. Just like I can share the non DRM video I downloaded from Loius CK. The whole concept is that people will rather pay for it even if they can get it for free, if they think it's worth it. And it has been working so far.
So you shoulnd't need to create artificial blocks to try to stop people from pirating. I mean, look at the humble bundle, you can just click that you don't want to pay for and download the games. But people pay anyway and they make millions off it. So why would you create artificial blocks that pisses people off?