I'm going to have to disagree here. Deliberate falsehoods are often silenced or censored, particularly if the accusations are very damaging. The USA has slander

I'm going to have to disagree here. Deliberate falsehoods are often silenced or censored, particularly if the accusations are very damaging. The USA has slander and libel laws, the UK has similar. I'm positive Brazil has them. Courts and due process exist to do this silencing.