I defend piracy as something necessary for a healthy industry, believe it or not. It's the best way to preserve software nowadays, plus it's a great way to fight against practices such as mandatory DRM or platform exclusivity. With that said, it's important to be mindful about whose's game you're pirating, if they can take the blow well and/or if they deserve it.
That's one of the reasons why GOG is my main store on PC. Everything is DRM-free, and you don't even need the launcher. You can even forego about the Dosbox emulator on Dos games and just download the game itself, effectively giving you a ROM to burn on a CD and play the game on an old 486 computer, if you like (and have such an old machine at hand, like I do, or did until my S3 924 GPU in there died after 25 years)
The Nintendo eShop rating Thread: http://gamrconnect.vgchartz.com/thread.php?id=237454