For instance, Congress probably would have the power to ban religious sermons and church literature.
While the Episcopal Church aligns itself politically with the far end of the liberal spectrum, that "love" is rarely reciprocated. Political secularists often lump all Christians together in one nebulous grouping with no regard to the differences between liberal mainstream Protestantism and snake-handlers and anti-gay activists. We are useful to them if we can secure votes and donations, otherwise we are a problem that needs to be constrained by the Leviathan.