As long as the student doesn't record him saying something that could be understood as a sexual remark out of context and/or claim he patted her on the buttocks and a friend who never likes the teacher because of bad grades backs it up.

You might think it's fat fetched but I recall a case where several teenagers conspired to accuse a youtuber of grooming them.

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Now, you're right about one thing. I overstated the effectiveness of victimhood in the original post. The principal currency of power is always violence because it overrides all other currencies if you have enough of it available to you.

But for more pedestrian use-cases, other currencies are better. And victimhood is a very effective way to use other people's violence for your goals. It never gives true top-level power but it allows directing the levels of power above you against people on the same level as you.

EDIT: And TBH, it works well to direct those on your level against those on your level too. For example, on the nation-state level, every action Ukraine takes in its fight against Russia has to be weighted against the possibility of being seen as too aggressive and not just purely defending itself.