The CDC categories for community transmission are for the current level, not a projection. Also, the numbers don't continue to grow out of control in perpetuity even with no change in mitigation strategies and not much increase in the percentage vaccinated.
There wasn't a sudden, significant increase in masking in FL in the middle of August. From the beginning of the Delta spike through last Thursday, only an additional 14.4% of the population of FL got at least one shot bringing the total to 63.7% of residents with at least one shot which is WAY below the calculation for what you need for herd immunity with a virus with the R0 of Delta.
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