Oh, it's about the way people interact with each other. Yes, of course, people interpret their interactions with others differently and they seldom see them as they are.

Not what I am talking about.

There are things that can be agreed on that are reality. That is what the scientific methodology js about.

A system of goverment that is strictly about the material aspects of government can only deal in reality.

If a train track has to be built between two cities becuase there are daily commuters, how is that not reality? If water needs to be made potable in order to ensurd no infections, how is that not reality?