After all these years, and growing up with Windows 3.1, I have seen an entire evolution of computers and software. Touch screens and large resolutions were a pipe dream just 15 years ago. Now it's the norm. Going from a Packard Bell (yes, before HP) that couldn't run 3D Ultra Mini...
Director's Cuts, How To guides, Rocksmiths... the world of downloads are full of things you'd never consider a game.... Wait a second... what the hell is an Enslaved? Eh, screw it, let's just play Beer Pong!
If you do your spring cleaning in winter, guess what you don't have to do come Spring? Nintendo is using the same idealogy to obtain faster than normal rates of selling-all-the-downloads.