[citation][nom]Harby[/nom]You have the definition of hardcore messed up.[/citation]
No, I don't think so. I don't know of any Wii game that has either a) required sufficient levels of gaming prowess or dedication to be considered a "hardcore" title or b) has garnered an intensely loyal following to be considered having "hardcore" fans.
I don't know of anybody who obsesses over Mario Galaxy to the same levels as Mario 64 or Super Mario World, same can be said for Zelda.
Now if the phrasing was "hardcore Nintendo gamers" then yes I'd entirely concur, but the Wii, no matter how you split hairs or define "hardcore", is not, nor was it intended to be, a "hardcore" gaming platform.