Even if you ditch morality, a global conflict and the mass extermination of one of your most productive minorities is lousy business sense.

I don't think Hitler considered them productive minorities. Today you have plenty of people who don't consider the banking class to be productive.

Those weren't an occupying army, they were there at the explicit request of the Saudi monarchy to prevent Saudi Arabia from being invaded

The lines between an occupying army and an army who just defends aren't as sharp. He seems to believe that the US does exert political pressure on Saudi Arabia to do what the US wants.

It's not easy to find Europeans who also don't like US bases in their own countries without any religious justification.