Yes, specifically when he refused to commit to accept the results of the election if he didn’t win. As the events leading to and including Jan 6 showed, this wa

Yes, specifically when he refused to commit to accept the results of the election if he didn’t win. As the events leading to and including Jan 6 showed, this was not just bluster, he used all means including illegal ones to try to hold on to power after losing the election. That is what made him the most problematic, someone who doesn’t want to play by the rules of democracy.