What the state religion should be is a difficult thing to decide, but once you've decided it's easy to answer questions about appropriate clothing, language, morals, etc.

i know you're snarking, but that's an interesting comment.

why should religion be difficult to decide? dump them all and start again with the Old Religion.

simple, yes, easy, er nooo.

until there's nothing (else) left standing.

The power of knowledge is in mortal combat with the knowledge of power. It really is that simple... That's the Edenic apple we are all munching on.