Confucius' principle of reciprocity as it applies to human affairs is used today in Western societies. Why isn't more of Confucianism used (that is, in Western societies)?

A communal identity is part of the background psychology that operates in Confucianism. Western liberal democracies have defined themselves in opposition to strong and sometimes oppressive monarchies and churches. A communal identity has largely given way to individual identities in the mythology and philosophy of the West, and for this reason such virtues as filial piety are less prominent in the West than in the East.