Sure outright lying in a way that can put someone in danger (e.g. printing false instruction on medical drug) should not be allowed. The question is what shoul

Sure outright lying in a way that can put someone in danger (e.g. printing false instruction on medical drug) should not be allowed. The question is what should be the mechanism to do that. One way is to use courts, where everyone will get a fair hearing, rules will be the same for everybody, and won't change often. Another is to use Facebook moderators as judges, which does not seem to be a very promising path.