Don’t criticize anyone, whether they be right-wing or left-wing, friend or foe, on liberal grounds.
Don’t . . . criticize Muslims for supporting patriarchy.
Don’t . . . criticize the Chinese Communists for censoring the Internet.
Don’t . . . criticize city governments and/or police departments for presuming that officers accused of wrongdoing are innocent, even if the city is run by leftists.
Don’t . . . criticize gun control, business regulation, or other things of that nature for restricting freedom.
Don’t . . . criticize anyone for being unwilling to talk to or cooperate with the media.
Don’t . . . criticize any institution for preferring to handle misconduct by its leaders in-house
Don’t . . . criticize the Democratic Party for “not listening to the will of the people” or other such nonsense.
Don’t . . . call SCOTUS justices “philosopher-kings” as an insult.
Don’t . . . call leftists “fascists” or “Nazis”. Calling Nazis or fascists “Liberals” is allowed.
Don’t . . . call Muslims “homophobic”.
Don’t . . . assume that because the media claims that a right-winger, of any stripe, has done something bad, that they’ve actually done it.
Don’t . . . assume that because a group of people somewhere treat men and women differently, that they’re behaving unjustly.