It's not wishful thinking to want people to play fair. That's called being a decent human being, so apologies here, but yes that is a knock towards cynicism. Piracy is illegal. The law already protects me against illegal activities. Expecting people to behave legally, and setting your business to succeed in a legal environment is not unreasonable or wishful thinking.
It isnt unreasonable or wishful thinking to expect to never be robbed. I shouldn't have to lock the door to my apartment, I could probably get away with not locking the door to my apartment, but I lock it anyways.