You can be the judge of that.
First of all: Decide a code of ethics for yourself.
(Piracy is equivalent to going to a book store and taking pictures of the books as you flip through pages. Ask yourself: Is this ethical?)
And if that's okay for you, then:
Second: If action is unlawful, weigh in on potential consequences and then ask yourself if you want to risk the consequences.
Piracy is not murder, cops would probably be too lazy to investigate.