Florida is a lost cause for Democrats now, but it really didn't have to get this bad for them. I've shared this article a couple times, but it's a great article and worth rereading:
https://plus.thebulwark.com/p/anatomy-of-a-murder-democratic-party-floridaIt honestly comes down to Obama. The man himself was a generational talent, but his people's stupid approach was to let out-of-state donors basically take over everything. People who didn't understand the state and the kind of Democrats who could actually win, culminating in George Soros and Tom Steyer pushing Democrats to nominate a lefty who was under FBI investigation.