How many people plan the number of days for their vacation based on the perceived number of rides they can do? Plus, there is no way Disney would want someone to cut their vacation a day short, they would rather you stay longer.
I know it hasn't been fully rolled out or all the bugs worked out, but to me this whole FP+ thing seems ridiculous. Number one, to me it appears to make things FAR more confusing to the average visitor, not more efficient. Number two, it gets rid of almost all spontaneity for a WDW trip. Personally I do not want to have to try and plan out my ride schedule that far in advance, it already sucks that dining reservations have to be made so early. Number three, as a Florida resident who has an annual pass and makes spur of the moment trips frequently this whole concept has soured me on the idea of keeping my a.p.