IN MY OPINION

  1. WORDLE
  2. CROSSPOSTING FROM TWITTER.
  3. RETWEETS.
  4. PROMOTING CENTRALIZED SERVICES.
  5. USING CENTRALIZED PLATFORMS WITHOUT FEDIVANGALIZING.
  6. GATEKEEPING.
  7. POSTING CONTENT THAT IS CONSIDERED LANDFILL.
  8. NOT GIVING MONEY (to fediverse projects and to instance owners)

you can add to this list. just make stuff up my my brain is already fried.