I'm reminded of this quote from Plinkett's TPM review:
"[...]the unfortunate reality of the Star Wars prequels is that they'll be around, forever. They will never go away. It can never be undone."
Same is true for the sequels. It happened and now we have to live with it. The past, and Luke's character with it, was thrown out the window to make way for Rey.
We'll see how well this strategy of Disney's pays off, but I think toy sales are a prime indicator for how well new generations are responding to these new characters - which haven't been great. I don't want to use hyperbole to belabor the point, but no one gives a sh*t about Rose. Finn, Hux, Poe and Phasma were wasted, demeaned, made foolish, and killed. The only new characters that people care about that are still around are Kylo and Rey. Maybe they're enough to inspire future generations, maybe not. But hey, we survived the prequels.
Thank the Force for the EU for keeping this franchise afloat, because now the majority of it is crap to be honest.