"Because I paid for the game, and despite the fact I was happy to pay for it and I enjoy playing it, I think everyone else should need to pay for it, too. Otherwise all that enjoyment I had will be undone."
c.f.: sunk cost fallacy
c.f.: sunk cost fallacy
There's a reason I haven't played TF2 in years, and it's not because I'm indignant that others didn't have to pay for it.