Why is Madison against the creation of a government that simply outlaws factions?

James Madison argues against the outright banning of factions because he believes that such a measure would be impractical and contrary to the fundamental principles of liberty. In Federalist No. 10, he asserts that factions are a natural result of human diversity and differing interests, and attempting to eliminate them would infringe on individual freedoms. Instead, Madison advocates for a system of government that controls the effects of factions through a large republic, where a diversity of interests can check each other, ultimately promoting a more stable and just society.