He said that he thought his DI did a good job of teaching him to be a responsible adult.
Look up 'The Bonus Army.' Those guys were all military veterans. They were also some of the most radical people in US history. When they came to Washington they tried to keep discipline like they'd been taught.
If forcing young people to act responsibly is 'fascist,' then every coach, teacher, and sensei is a fascist.
So, your evidence is your interpretation of what was a common expression for hundreds of years.
If I bothered to, I'm sure I could find plenty of Left organizations that used exactly the same phrase.
Also, Heinlein wrote "...All You Zombies" about a transman; he had an African woman as a major character in "Tunnel In The Sky"; he predicted a religious dictatorship ruling America in "Revolt In 2100."
And condemning people for a single word or phrase IS directly from the Fascist playbook.