Why is Pokemons the ONLY JRPG where Grinding is Fun/Acceptable?

[PullusPardus]

animefobber said:
the grinding in pokemon isn't a negative because its a hell of a lot quicker and easier than the grinding you have to do in most mmorpgs

MMORPG grinding is the worst.... -_-;

one of the biggest reason why i don't play them alot