There are political threats that affect some of us and ones that affect all of us. Nuclear war, war in general, economic collapse, and collapse of our democracy are threats that even some Republicans can see as uniquely present in 2018 due to the character of the president.
The President is dangerously unstable and, incidentally, a criminal. He must be impeached. And that's just not going to happen without the buy in from a hell of a lot of people whose politics I personally can't stand.