So, we have that you differ in opinions, and you'd prefer not to work with him. That's fair, you don't have to work with everyone. But if I understand you right

So, we have that you differ in opinions, and you'd prefer not to work with him. That's fair, you don't have to work with everyone. But if I understand you right, you'd happily build something with someone who disagrees with you, say, a patriot of another country who'd put their own nation above all, Switzerland included. So what is it about "Hitler did nothing wrong" specifically that puts it on the other side of a line that one doesn't cross?