Right from the beginning, that was Universal's goal with its Florida theme parks. Create ground-breaking attractions which really pushed the boundaries when it came to technology. Place their guests right in the middle of their favorite movies & stories and then give these folks a visceral yet intimate experience.
As the Boy Who Lived is exploring the Burrow, he notices that "the old radio next to the sink had just announced that coming up was 'Witching Hour, with the popular singing sorceress Celestina Warbeck.'" And with that one line of text, Universal Entertainment finally found a solution for a challenge that had been plaguing the Diagon Alley project.
Let's cut to the chase here: Harry Potter and the Escape from Gringotts (i.e. the feature attraction for Diagon Alley, that new Harry Potter-themed land that will be opening at Universal Studios Florida later this summer) isn't just a thrill ride. It's really Harry Potter and the Deathly Hallows, Part 2.1.
If you're going strictly by attendance levels as well as the amount of money this theme park pulled in during its brief life span, then Hard Rock Park clearly was a failure. If -- on the other hand -- you're going by what happened in themed entertainment circles after 2008... Well, that's where this story gets complicated.