@bike Sounds like a good time to read it again. Either way, the Wikipedia-based analysis is shallow.
As you re-read, reflect on why you conflated tearing down a system of oppression with the initiation of violence—seemingly without even realizing you were doing so.
Fwiw, Le Guin was explicit that Anarres only existed because the nonviolent anarchists fought an actual revolution to win their right to exist as nonviolent anarchists. Even wrote a separate story about it.