.... The relevant UN convention (see Article 20 of the ICCPR) requires the legal suppression of religious hate speech that causes mere "hostility". But many things cause some hostility, and a degree of hostility (provided it is not violent) is not actually unwelcome in pluralistic societies.
For example, there's a fair bit of hostility between political parties, supporters of rival football teams, opposed economic theorists, etc. The word "hostility" is potentially very broad. [Metamagician and the Hellfire Club] Read more [via butterfliesandwheels.com]