It's done with the emphatic expectation that America will cow before their overt displays of beligerance and contempt for rule of law.
They presume our acceptance of the base valuation of "Christian" they seek to impose as moral purity. It's a cynical sociopath's cherry-picked mess of the Old Testament injunctions from the bronze age and pharasitical pantomime made into a public ritual performed for a TV audiences. The intent of which is to incense people of conscience into forgetting that Christian encompasses MLK's ministry, Mr. Roger's patient kindness, and Jimmy Carter's reverence for service unto others as an expression of his faith. These are the things they must subvert in order to succeed. Let them not.