Officers are one thing, especially officers whose job classifications include teaching as a primary duty. Any enlisted schmuck who did nothing but pump gas in Iraq for four years will tell you they would not trust their buddies unsupervised around teenagers, let alone teenage girls. The rate of sexual assault is already bad enough on military bases with a lot of younger personnel.
Even taking that out of the equation, these guys do not have the patience or education necessary to excel at teaching most subjects. DeSantis wants to make kids both dumber and more blindly nationalist, that much is obvious.