But these are all external rituals representing inner truths involved in contemplating mind. You should be constantly controlling the influence of the six senses, and be constantly on guard against the effects of the three poisons - greed, anger and spiritual ignorance. Thus you will come to be in control of body and mind so that they are not randomly distracted by external events. The state of 'evenness' which results is what is meant by maintaining a vegetarian diet. Those on this vegetarian diet have five kinds of 'food' which they can enjoy.
All religions go through phases of dilution.
The later priests and ministers and 'holy' men become obsessed with churches, statues, uniforms, dogmas and rituals. They do not always connect properly with the deeper spiritual truths. You are mocking the true faith and deceiving the ordinary people.