But is sure makes it easier to add many superstitious and non Biblical beliefs and hold to them.
Perhaps that is true for some protestants. For Catholics it is impossible to be superstitious and non-Biblical since the Holy Spirit has been guiding us into all truth from the Day of Pentecost forward to the present day.
And until you show me a Biblical verse that is as strong in its support of Mary having and intercessory role in prayer as 1 Tim 2:5 is showing that Jesus is the only mediator, you're position is dead in the water.
Did that leadership guide the sale of indulgences to enrich the clergy too?