People line up to buy video games for various reasons. Maybe they actually want the game. Maybe they want to sell the game. And maybe they're just being nice to the ones they love.
The boxed limited edition of Diablo III was reportedly hard to come by in South Korea, but website ThisIsGame went out and hit the lines to see who was purchasing it. Sure, there were those buying it for themselves—and those buying it for re-sale. But there were also a dedicated few, lining up all night for those they loved.