We did the Disney Fantasy back in 2019 with our then 23 year old daughter and overall we enjoyed our Disney cruise. This was our first time cruising with Disney. Right now we have a 10 night cruise with RSSC coming up in March, but just booked a 5 night cruise on the Disney Dream in December in concierge. I'm looking forward to it.
We are also big time Disney fans, (though it's getting harder to be) are DVC members, and for years went to WDW once a year and sometimes twice a year. I'll admit, I am not a big fan of the MDR and the food or service in it. I know most who are Disney fans rave about it, I just thought it was rather average. We plan on Dining in Remy twice, a dinner in Palo twice if I can get it, the Palo brunch, and if all goes as planned, just one night in the MDR. The shows are fun, the adult area is not bad, but the concierge exclusive area is awesome, the service in concierge is also great. If your a Disney fan I think you'll enjoy DCL as adults. For someone that is not a big Disney fan, maybe not as much. I say give it a try.