Florida came late to the fold.
As I recall, even Florida's park system is relatively young.
I think Florida has always been a haven for unfettered, free-market development with no regard for anything but a quick buck. The quicker the better. As such, the area has been essentially looted.
What I saw of Florida's considerable beauty was very fragile and very close to large population centers. It doesn't have a chance of surviving except in isolated, heavily protected pockets.
If one looks at the better preserved Western US, there hasn't been the population pressure AND no one wanted many of the more scenic areas.
Arf