To accommodate their heathen rank and file, the Roman Catholic "Church" relaxed their attendance requirement. The Synod of Agde in Gaul (506) reduced the requirement to three times per year: Easter, Pentecost, and Christmas (Mansi, vii, 327 via https://www.biblia.work/dictionaries/communionfrequency-of-reception-of/). Of course, for heathen, thrice yearly church attendance seems oppressive. So, through the Fourth Lateran Council (1215) the Catholics reduced the requirement to a once-per-year communion at Easter.  The disturbing Romish tradition has permeated society. People flock to churches for Easter celebration to do their duty. Consciously or subconsciously many hope their attendance will secure their place in Heaven.