A cultural Christian is someone who thinks Christianity is beneficial for society but is not necessarily committed to Jesus. Christianity is indeed beneficial for society, but should the church promote cultural Christianity? Let us take a deeper look into this matter.
Is the church called to try to build a Christian nation or to make disciples of all nations? Is America a battlefield or a mission field? Cultural Christianity seeks to use Christianity for it's utilitarian value. In cultural Christianity morality, politics and the culture wars are primary. Theology and Biblical thinking are often minimized.
When fighting the culture wars and making a America a "Christian" nation become the primary concern, the church is off track. The church must proclaim true, Biblical Christianity not a watered down cultural Christianity. The focus of the church must be sound doctrine, missions, evangelism, discipleship, theology, apologetics, and true worship, all for the glory of God.
Of course making America a "Christian" nation is usually thought to be achieved through the political process. This often involves the church tying itself to a politician or political party. The church should never be tied to any politician or political party! When this happens the witness of the church is compromised and damaged.
Politics and the culture are important but they are not ultimate. The church has to realize the battle is spiritual, not worldly. It must stop trying to fight a spiritual battle with worldly weapons. The Bible, prayer, and the gospel are the weapons of the church. We need Biblical Christianity not cultural Christianity!