It doesn't matter if it's a CD, a Film, or manual with the instructions to build a spaceship. If you copy it, the original owner doesn't lose anything. If you don't copy it, the only one missing something (the experience) is YOU.
Enjoy!
Of course, if you happen to have some extra money for donations to creators, please do so. If you don't have that, try contributing with a review somewhere or recommending the content, spread the word. Piracy was shown to drive businesses in several occasions by independent and biased corps (trying to show the opposite).
There's no issue, really. I am just wondering why there seems to be a tendency across piracy community towards ethics, which is just offtopic to me. You're not in a court, and no one cares about your justification.
The votes on this post tell a different story. What you mean to say is that you don't care. That's fine, jog on bro.