The answers are simple. First we now know the primary way the virus is spread is through droplets on the air and that it does not spread as easily outdoors. Florida is more of an outdoors oriented state do to the nice weather. NYC sufferedthe most because it is crowded, crowded living conditions, crowded working conditions, crowded elevators, subways, busses, etc. Even in states with less crowding like SD, NB, etc, the outbreaks have been in crowded workplaces. FL is less of that. We also know Desantis has been shamelessly suppressing the numbers, and likely had a lot more caees. When the second wave comes in October, November, FL will be harder hit due to overconfidence and more indoor activities.