By that measure, locks on our houses don't work, so we shouldn't bother locking the door? To repeat what I said to the other commentor:
Ultimately the goal of content protection (not just DRM) is to make it as inconvenient as possible to take content without paying. No security system is going to be perfect, but when you make it secure enough that people concentrate on weaker targets (or give up), then you're content.
Ultimately the goal of content protection (not just DRM) is to make it as inconvenient as possible to take content without paying. No security system is going to be perfect, but when you make it secure enough that people concentrate on weaker targets (or give up), then you're content.