Trump still rides on the thematic that 2020 was stolen (it was indeed), but DeSantis focusses on the needs for Floridans instead, both immediate (like the Hurricane response) and further (like his fight against leftist indoctrination in schools). Trump, do be frank, has his own huge ego constantly interfering with his supposed-to-be aims. That being said, DeSantis should stay in Florida - he is effective there