When I first went to Dinsey in 1980, it was a single theme park, a couple hotels, and some golf courses.
Now it's four theme parks, 20+ hotels, golf courses, a plethora of dining options, and a host of amenities and things to do that are far too numerous to list here. For me, going to Disney without a plan is like being dropped at a random point in the greater New York City area with no reservations anywhere, and no entertainment planned. You don't even know where the nearest subway is, how the bus schedules work. You have no tickets to anything, have no idea where any good restaurants are, or anything.
Spontaneous yes, but do do you truly get to see the best of New York? No, prior to the internet, you get yourself a guidebook and plan on what you want to do. The only downside in 2014 is that you have the convenience of a cellphone and your access to information is free.
In contrast, when we went on vacation to Breckenridge, CO last year, we picked up some fliers and just walked around downtown and did whatever caught our eye.
WDW ain't Breckenridge.