Popper also specifically said: "I do not imply, for instance, that we should always suppress the utterance of intolerant philosophies; as long as we can counter them by rational argument and keep them in check by public opinion, suppression would certainly be unwise."
A large part of Trump's message is that the election results are fraudulent, despite having no evidence to support that claim. Instead, he writes on social media to incite violence at our nation's capitol building... Now we are at risk of overturning an election based on a mere accusation - aren't we past the point where our president is willing to have a rational argument?