I think, first of all, you're not wrong, but also, you're mostly wrong. People with completely separate value systems exist, but only theoretically, or historic

I think, first of all, you're not wrong, but also, you're mostly wrong. People with completely separate value systems exist, but only theoretically, or historically. I know there's a lot of hand-wringing at the moment about society being fractured and divided, and it may be Pollyannaish of me to say this, but I think we're mostly all on the same side with approximately the same bunch of deep values, by the power of culture (and we more or less all come from the same culture, "modern"). We can have productive discussions, we can work it out. The Myth of the Framework is a relevant book.