A company that has won, multiple times, the title of "Worst company in America" (EA Games) allows their customers to refund games within a 7 day period. Companies such as Steam, Microsoft, and Sony do not have allow refunds under no (Even if you meant to purchase the game as a gift) circumstances.
I am sure there are many points of discussion here; piracy being one. I would love to hear more from you guys.
P.S: Some "recent" events - http://www.gamespot.com/articles/valve-sued-by-australian-consumer-watchdog-over-st/1100-6421983/