A tolerance for the propagation of disinformation.
Room for disagreements is necessary, but so is stopping people who never cared about agreeing in the first place. Giving the dishonest this freedom has only silenced the honest by burdening them with layers of crap to cut through before their speech is heard.
What from reddit do you hope to never see on lemmy?
i can't stand megathreads -- no one reads these! no one wants their posts banished there!