Re: But hang on...
"Christians aren't known for subtlety."
It always amuses me when churches have Easter Egg competitions and put large fir trees on prominent display.
Apparently the Vatican has just decreed that the communion wine can be a non-alcoholic grape drink - but that the bread is not allowed to be gluten free.
Any tribal group always has shibboleths for which there is no logical reason - apart from social separation and control of their followers. Melinda Gates has gone on record as disagreeing with the Pope's continued proscription of reliable contraceptives for family planning.