If you want to be a member of Mozilla.Social, Mozilla’s new Mastodon instance, you’re not allowed to harass other users. You’re also not allowed to use derogatory language about gender, sex, sexual orientation, race, age, ability, or any other “physical, social or cultural attributes or classifications.” You can’t spread misinformation and disinformation, either. Or impersonate someone. Some of these are normal policies, some are unusually h...