gamesnextcom:

“The best possible countermeasure against people buying used product is making the kind of product that people never want to sell,” Iwata told me, indicating that he’d never considered implementing mechanisms, or “tying down” his company’s systems, with the kind of features that would restrict or control what Nintendo customers do with their used games. “Taking as an example Mario Kart or Smash Bros., even though you might think, ‘I’ve done enough with this,’ you’ll still have second thoughts. ‘Wait a minute. If one of my friends comes over, I might need this again.’ You’re never going to want to sell these games. That’s something that always occupies our minds. We need to make software that players don’t want to sell.”