For some people it isn't 'just politics'. They feel threatened by potential loss of freedom and life. If it was just a disagreement on tax rates or some government spending it would be different. His views are against someone else's existence.
Weird to see people downplay the significance of the degree of differing political opinions. This isn't a simple matter of disagreeing. I would be willing to bet that every single vehicle company CEO has drastically different takes on these things than I do. They stay out of the way, though.
2. It's not about "different political opinions", it's far beyond that and to suggest so tells anyone reading your comment everything they need to know about you.