The moral principle of subsidiarity requires decentralizing authority to the most local level.
This principle "implies decreasing the role of government and employers in health care when lower order groups can better serve individuals and families," which ObamaCare fails to do.
Subsidiarity is often supported by proponents of limited government and self-governance, as well as many nationalists.
Subsidiarity is one of the 12 points of Social Doctrine in Catholicism, and the Catholic Worker Movement is an example of successful, voluntary subsidiarity which lifted many out of poverty without expanding the role of Big Government.
Subsidiarity is a Two-Sided Coin, Posted by Meghan Clark - Catholic Moral Theology (catholicmoraltheology.com)
Common Good is Not Fostered By Subjecting Individual to State, by Bishop Emeritus Thomas G. Doran, 2020 (observer.rockforddiocese.org)