You know those Mastercard commercials where they list out the things and their cost and then end it by saying something like, "The look on your great-grandchild's face when he/she sees Mickey Mouse for the first time?
Priceless."
That's Disney to me. I dropped a lot of money on our recent trip. Park-Hoppers,
MVMCP, JBJB dessert party, Memory Maker, Candlelight Processional dinner package, refillable mugs (not on dining plan), staying at the Grand Floridian (via rented DVC points...the only way that could happen!). If I took each thing individually and tried to figure out if I'd gotten a good value out of it, I guarantee you I would NOT. I could list out all of the things proving this, but why? Both of my parents are excited to go back to Disney in 2019. My mother had the most wonderful 75th birthday she could have, and cannot stop talking about it. She has already put all of the pictures in an album and shares them with everyone. My father, a musician, says Candlelight Processional is the best Christmas concert he's ever seen. He watched Joyful do an entire set in Epcot, clapping along with them and grinning from ear to ear. My mother adores Goofy, and the pictures of her meeting Santa Goofy at JBJB dessert party are the best!
I believe every day I have with my parents right now is a gift. If we can share the joy of just being at Disney World for a few days together, then that's something I'm happy to spend money on. The term "value" just doesn't enter into the picture for me.
I will say, that my father isn't always one who is up for the hustle and bustle of the parks all day. So he joins us when he wants and stays behind to relax at the resort when he wants. I get him the same tickets as us, park-hoppers for the amount of days we'll be in the parks, but if he doesn't "hop" on a day or two because he's a little worn out, that's fine.
Talk with your family. Tell them your concerns. That's really the only way you can move forward with this. Good luck!
ETA: The Grand Floridian on DVC points was definitely a good value. Just wanted to clarify that point. Fantastic place to stay, and totally affordable done that way. It was just as much a part of our trip as any of the parks.