Some people in FL are starting to wake up
You say that, But it's went from +3 Biden, to +7 trump in those 4 years...
And Jacksonville mayor?
The Republican candidates combined for roughly 51% of the vote, while the Democrats combined for 48%. This was the highest first-round combined vote share for Democrats in a Jacksonville mayoral race since the 1995 election.[54]
https://en.m.wikipedia.org/wiki/2023_Jacksonville_mayoral_election#Results
Dems did win the runoff by about 9k votes, but...
A city going barely blue in no way makes up for statewide polling.
Biden needs to be shoring up support in the States he barely won that got him into the White House last time, not taking them for granted and attacking Florida in 2024.