Ceremonies are retained or added to teach the people. What we do in the service teaches even as what we say teaches. And the two are to be wedded together. Here is how this played out in many of the church orders of the Sixteenth Century.
So there you have it. AC XXIV in action. Ceremonies and rituals serve the people to teach them what they need to know about Christ. Let us, then, be witting ritualists so that the doctrine of Christ might be known and thus believed.