“tend to make gubernatorial reelections a close run thing.”
My understanding was he cleaned up the corruption in Dade and Broward counties by firing the officials in charge in each county. The last presidential election was not near as close.
As for Trump's strong showing in Florida in 2020, it was due to the success of Trump's policies in boosting employment at the lower end of the economy, Trump's appeal to non-GOP cultural conservatives, and his larger than life strength and dynamism in attracting Hispanic support. Among Hispanic friends and at social events among south Florida Hispanics in 2016 and 2020, I was astonished that the fervor of support for Trump exceeded that of Reagan in 1980 and 1984.