I don't think the point is "academics more so than other professions", but that "any marginalized people with a choice" are ditching FL. Having that sort of choice is more common among knowledge workers, thus the brain drain.
Florida being a shit place to live for many reasons, most of which (including your examples) are political. But it's hard to deny a governor criminalizing your identity is a major deterrent.
Instead of "people are too lazy", can we acknowledge how unnecessarily difficult it is to vote?
You dismiss gerrymandering, but we can't exactly vote in a district we're not a part of, or rely on convincing the biggest supporters to flip their politics.
Meanwhile, mostly targeting minorities, voting is made overly complex with people waiting for hours after work to be told they need a document or didn't register correctly.
No wonder only retirees in affluent areas vote, they're the only ones not jumping through hoops to do it. We need voting to be handled federally, with universal registration and mail in voting. Election day should be a holiday, and the polls should be open for a week.
THEN we can complain about people being too lazy.