“I am free, no matter what rules surround me. If I find them tolerable, I tolerate them; if I find them too obnoxious, I break them. I am free because I know that I alone am morally responsible for everything I do.” - Heinlein

Corporations clearly are taking this lesson to heart. It's only fair that we do too. If you buy content, make sure you have an unencumbered digital copy of it.