President Putin made three foundational assumptions in launching his war against Ukraine that should have been correct but were not. First, Putin assumed the invasion of Ukraine would be a quick and easy fight. Second, he assumed the world would denounce the invasion but tacitly allow it. Third, Putin assumed the war would deter NATO expansion.
Complementary mental models hold the social world together. It’s not the lines painted on the road that keep us from careening into each other on the highway, as we sadly find out too often. Paper money has no intrinsic value on its own, unless you like the pictures and holograms, are trying to start a fire, need a bookmark, or have just run out of toilet paper. Online credit purchases do not even require the plastic card anymore, and only work because we collectively believe that strings of ones and zeros — stored electronically in computers that we’ll never see — equal our right to receive services and things from other people, and keep them. In all of these cases, it’s not about the symbolic artifact. Our agreements about what those artifacts represent, and our willingness to act on those beliefs, are what keep the wheels of society turning.
