There is a lot of conventional security that is based on established ceremonies and an unquestioning faith that if we keep doing these things then all shall be well. If the ceremonies don’t produce the required results then we are deemed to have not performed them well enough - as opposed to it just being the wrong approach. The non-believers who point this out can even be subject to an inquisition for their heresy (it might even be unexpected). Much has been written about security theater ...