I WOULD say it just applies to Kirby since he SWALLOWS his food whole...but he doesn't actually inhale anything in this game so i can't make that joke. In all honesty, I have no idea. That would be awesome if it WAS a small Kirby Plush, buts it prolly just a mistake on the page.
It means that Nintendo doesn't wanna get sued when your kid chokes on the plastic wrap this game comes wrapped in. There probably won't be any extra items that come with the game. Plus, a lot of games sold on Amazon now have this warning.
After all, people'll sue you for anything nowadays... they're just covering their bases.
I just found it hilarious, considering the concept of the game :P
Some games I've noticed have had some sort of choking hazard. I forget what other game I saw it on recently. Maybe Amazon has auto-warnings for certain words, like "yarn".
But it would be totally awesome if a Yarn Kirby patch or heat seal was included.
EDIT: Ah, found it. It's Pokemon Ranger: Guardian Signs. I don't have my order yet, but I'm sure the only choking hazard there is the cartridge. But all Nintendo handheld games have little cartridges, yet not all have the choking hazard notification.