Much of Florida real-estate purchases and voting blocs are people with a life/time horizon of 1-3 decades. What you're describing is someone else's problem. Article is a bit less crass about this and wraps it in some good ol folksy humor:

> Ms. Poucher said she knew her old home was in a flood zone when she bought it. “I joked that we would probably be dead by the time the sea level would rise up to where our house was,” she said. Despite her sadness at losing it, she said she’s relieved to know she’s safer from floods.

Same reason schools are chronically underfunded in the state... the voters' retirement funds are better spent on golf courses than schools.

They are doing it now.

Summed up in a recent headline "Florida Gov. DeSantis signs bill that deletes climate change from state law"