Well, there's collecting, and then there's obsessive collecting, right? My collecting extends to having one of everything on Gens IV, V and VI (or it DID; I'll build up my collection again at some point) so if I ever start a new file I can pick and choose what I want. 900+ Pokemon on a single game is a baaaad idea. xD
It's not even a very good account based system either, since your digital games are locked to one account...like the PS Vita. As someone who has been forced to buy digital games or go without for some titles, it's rather aggravating. What happened to the days when you could pick up a cartridge for an affordable price, jam it into the console of your choice and just play? xD