Angloamerican 'rationality' nowadays is located in a set of islands: California, Washington area, NY, and Greater London. Just look at the location of Your 'meetups. Do you really believe that there is the peak of human thinking?

Yes. Great thinking, in every field scientific and artistic, has always been associated with cities and metropolitan areas. This should be obvious for economic reasons alone, but if it isn't check out the relevant chapter in Murray's Human Accomplishment correlating biographies of thousands of important figures against birth and workplaces.