A country such as japan has a high level of cultural homogeneity , conformity and cohesion ; everybody presumes that everyone else knows how to behave " correctly " , and there are powerful unspoken social norms to enforce that .
In a city not commonly associated with angst , or indeed existentialism , two veteran game developers have delivered speeches in which they berated the industry for its immaturity and homogeneity .
Both believe that international relations will continue to be based on the twin postulates of internal homogeneity and external independence , a model invented by the treaty of westphalia of 1648 .