LEK, and that's not the half of it.
Other Republicans, like Huckabee, would have no qualms about passing legislation on morality to "promote a more Christian nation" while Paul totally understand that the gospel is to be freely taken or refused; God has no interest in fake sincerity or coerced worship. If that was what he wanted, he'd have made automated puppets with no free wills. Paul lives up to the maxim of loving all sinners while hating the sins pretty well, IMO. He really does get it while the rest of "Christians" are... well, holier-than-thou.