Many organizations that call themselves churches support lavish lifestyles for their upper echelon while actively lobbying government to support a partisan agenda. If an organization or group decides not to pay the same taxes as all other Americans, they have no say in the proceeding of government.
A houes of worship has no business looking like a palace as some of these building of worship do.
There is no reason to grant special tax exemptions to these groups; revenue that goes directly to aid those in need shall be exempted from taxation.