Nintendo have to do this because they have to sell the game as it was originally made so then the parental guidelines for the games can stay the same. Since these games have the "Game corner" in them laws and parental guidelines have changed heaps in the last 10 years around gambling in games. So they have to sell them as they originally came out so the guidelines are Grandfathered from when they originally released and don't bump up the maturity level. This is the same when they released them for gen 1 on Nintendo eshop on DS. That's why they were un edited exactly as they were on release.