I wasn't thinking about classes when I wrote the comment but I agree they are fundamental axis along which people divide themselves. I think class differences a

I wasn't thinking about classes when I wrote the comment but I agree they are fundamental axis along which people divide themselves. I think class differences are an underappreciated source of conflict in our world today and there are inequities that we should be working hard to correct. That said, my point was we need not abolish all the many ways that people differentiate themselves in order to have (more) universal cooperation: involving mostly everyone and mostly everywhere, not necessarily on everything. And we need higher levels of cooperation to address the biggest challenges humanity faces. > That adds a significant level of complexity. Any system that aspires to unify a wide swath of humanity with all it's diversity and frailties will be tautologically complex.