But, since it doesn't violate the rules, that shouldn't happen.
Many societies, but especially the US, value freedom of speech - you can't silence someone simply because you disagree with their opinions.
It leads to some odd positions - such as the ACLU (American Civil Liberties Union) going to court to defend the right of a Nazi group to hold a demonstration in a heavily Jewish suburb of Chicago.
Anyway, the title quote sums it up - it's often attributed to Voltaire, but it actually appeard in a biography of Voltaire to summarize his stance.