I mean sure, my comment was far too pompous, but calling this anarchism is silly.

If we leave rhetoric aside, what she's done is the equivalent of sending a leaflet or putting up a poster on company property. That's not strictly 'proper', but life does not happen in courtrooms. You actually have talk to people, let them know what's happening, organise, etc. Courtroom is where the fight is settled in it's last stages.