I don't care about moral speculation. I pay for games that I want to reward... and in those cases where I don't actually know whether I'll like the game (preorders and concepts) I still pay for them, because it's just more convenient and I have enough money.
If I know that a game is a pile of ass, I don't want to play it, so I have even less reason to pirate it than to buy it. There are always sales, so with a little patience, one can always get a game at what one will consider a reasonable price. If someone were to excuse their piracy with, "the game wasn't good enough to pay for", I'd call that bullshit rationalization. If a game is that bad, find a better one to play. There are only several million of the fuckers out there.
Special consideration may be made for people who don't have a lot of money or who are in countries that can't easily access content, but I'm not in a position to execute punishment upon anyone so it really doesn't matter either way.