Higher population, globalism, radical monetary policies, collapsing trust, etc. All those things are trying to be solved with a monocultural mentality from our new overlords who try to save us all from ourselves. :) Thankfully, we sit comfortably.
I think though, going back to what this was originally about, 'homogeneity' informs our understanding of trust, if we consider that with a lot of other things.
RE: Why is Norway so rich? Part 2. Liberalism in Norway, Work ethic and Climate