No church should be getting tax exemptions, that puts the government in the business of deciding whose religion is legitimate and whose isn’t.
Even though the government does not tax a church, it still is able to make other demands, like fire safety regulations.
A church is expected to be a good neighbor.
For the government to tax a church means they also have the right to tell the church what to do.
The Bill of Rights prevents any whiff of interfering with the spiritual work of a church.
If they can interfere with a church's mission then they can also take away our guns.
In Australia they are working to force a priest to expose what is said to him in a confessional. That is wrong and stepping way in where the government does not belong.