Following News, I made a change to the "no trolling" rule in Politics and World (rule 4 for Politics, 5 for World)
"Similarly, if you see posts along these lines, do not engage. Report them, block them, and live a happier life than they do. We see too many slapfights that boil down to "Mom! He's bugging me!" and "I'm not touching you!" Going forward, slapfights will result in removed comments and temp bans to cool off."
I think this community does a good job of removing posts with blatant misinformation overall. The grey area comes when posting deliberate misinformation from official sources. Without going into specifics or examples so as to avoid any contention. Does this rule apply to claims made by some political/government organizations that create claims with no presented evidence? Especially if they have a known history of doing so?