Tampa resident here...You have a partial good point. Building codes were updated after Andrew. I forgot the specifics but essentially they were meant to make critical joints stronger and better securing of the roof. Many have not updated. The new codes would be cost prohibitive for many structures. However Florida has been fighting hurricanes for 2 hundred years in my area and much longer in other parts of the state (St. Augustine is the oldest city in the US). So some of those old homes were built very tough - we call those "old cracker homes". We had one for 55 years and it survived several hurricanes. It also had 8x8 beams securing the roof as opposed to a web of 2x4's.

The death traps are mobile homes. AFAIK the only code changes for them is better tethering - more elaborate tie downs. Those things can literally explode in high winds. Sad that it is the choice of retirees who moved here on a tight budget. Punta Gorda is a retiree town of mobile homes. Harvey flattened the area.