Earlier quoted context omitted.
You don't have to be "pro-piracy" to be anti media propaganda that tries to equate duplication with denial of a person's right to their own property. They're very different things. If you think copyright infringement and theft are synonymous then presumably you'd be happy with people paying for copyrighted goods with a picture of some money, because a copy that doesn't involve a transference of control is identical w…
If I watch you type in your bank password, I haven't stolen it from you, because you still know your bank password. No theft occurred, so everything's fine, right?
Some might says you did steal the password, because you made it unusable for me, but that's a pretty subtle position I'm content with either side of.
Perhaps you'd understand better if you consider a physical key - if you take it then I cannot open the lock (with that key at least). If you only copy it, I can still open the lock, so you didn't steal it from me; but the possibility of use allowed you to deny me the use of whatever the lock protects. Not so with most copyright works. If you copy my music I can still listen to my copy as often a I like.
Maybe you understand the distinction now?