"The NES was over 20 years ago, who knows if the level of "love" you are trying to resurrect is still around. How would they know if they can rope back in all the lapsed gamers?"
You missed the station again.
This is nothing to do with resurrecting old feelings or love or junk like that, nor was it about grabbing the old moldy customers. First an foremost, this is about grabbing NEW customers that the existing products weren't servicing; the few lapsed gamers could follow later, they'll eventually hear about it, but the real numbers are in the new and uninitiated.
Nintendo aimed for the un-tapped un-gaming masses once decades ago, and that's what they aimed and succeeded at today.