"There is massive income inequality. Its trajectory isn't nearly as large of an issue as the status quo, which is pretty dismal." The point of the article is that inequality is itself isn't a good metric.
"The right thing to do is to keep working to solve the core problem....Maybe even consider doing what Switzerland is considering, and give everyone (rich and poor) a reasonable guaranteed income as an alternative to expensive and sometimes ineffective welfare program" -I suggest this briefly as my preferred solution.