It is a spurious argument, perhaps, but an appealing one. It did not always used to be the case that normal people had a PS2 and 12-year-old monster-trading boys had a Gamecube. Nintendo used to rock for all ages.
The larger point in hello, nintendo’s blogpost is about the potential radness of the Revolution’s controller, mentioned here before. It really is amazing that nobody else stopped to think, Hey, we’re making a brand new game console… maybe we should change the controller. Funny how some assumptions are just sooo deep.