Sure. Notwithstanding the accusations of nonconsensual touching, he wasn’t charged with a crime for the mere fact of the sexual relationship with students. They just want him fired, because what an awful educational environment.
“Former” student is a bit of a dodge, I think. “Current” student is worse, obviousy, because then the instructor is in a position to extort or blackmail the victim. But he’s still faculty, still an authority figure, still able to put in a good or bad word, still a representative of the institution and its powers.