CODE_OF_CONDUCT: refine the scope

CODE_OF_CONDUCT.md

@@ -18,12 +18,13 @@ Examples of unacceptable behavior by participants include:
 
 * The use of sexualized language or imagery and unwelcome sexual attention or advances
 * Trolling, insulting/derogatory comments, and personal or political attacks
-* Posting links to insulting, derogatory, or attacking content (except when discussing moderation of content or links already posted in the community)
 * Public or private harassment
 * Publishing others’ private information, such as a physical or electronic address, without explicit permission
 * Wasting other people’s time with low quality contributions, including but not limited to LLM and bot spam
 * Other conduct which could reasonably be considered inappropriate in a professional setting
 
+Unacceptable behavior expressed through non-textual media, such as images, links, or emoji, is still unacceptable.
+
 ## Our Responsibilities
 
 The moderation team is responsible for clarifying the standards of acceptable behavior and are expected to take appropriate and fair corrective action in response to any instances of unacceptable behavior.