I'm not speaking for anyone but myself here, but I think part of the problem is that the Internet is ruining the magic to some degree. Let me explain:
Years ago, before the Internet existed, when you went to a Disney Park, and then left it, all you had to rely on is your memories. People tend to remember mostly good experiences and good times had. We don't dwell as long on negative things we see and/or do.
Now all we have to do is google the words "Disney World" and you can find hundreds...no thousands of Disney Blogs/Websites and Discussion boards.
Every square inch of what Disney does or does'nt do is talked about. A lot of the news I read online about Disney is about things I didn't even want to know about but it's right in front of me to read so I do.
Let me also say that I Love Disney Web sights and discussion boards as they are a great source of information that I often find very useful, but sometimes I wonder if I would have been better off NOT knowing, for example, that Disney is switching to pork and chicken hot dogs instead of 100% beef hot dogs at Caseys..and would I even have noticed the differance if I hadn't known about it before reading about it online. I never noticed before the invention of the Internet that some burned out light bulbs weren't being replaced in a timely fashion. Unfortunately, now I see them all the time.
So now, and call me naive if you want, when I go to Walt Disney World, I try and view the experiance like I did as a child, trying to just focus on the good things and not the bad.
I still think I'm getting my moneys worth when I go to the world, and if that ever changes, I'll stop going. But until that day comes, and I hope it never does, I'll be there twice a year, as I have been for the last 20 something years, enjoying everything good that Disney has to offer, and not dwelling on the few negative things I see.