Used games are a controversial topic in the game industry. Buying games used can save gamers some serious money up front, and when you've got a fall season as crowded as this one, that fact is certainly nothing to sneeze at. However, developers are increasingly trying to drive gamers away from used games. Why is this? Well, quite simply, buying used games puts money in the wrong pockets. But should you, the penniless gamer, really care? Actually, yes, and here are five reasons why.