This is a very serious and complex issue, but I think Colbert gets to the heart of it. It is a mystery.
I think Willis is coming from a place of real frustration. There is a great deal of misunderstanding, clericalism and superstition in the Catholic Church surrounding sacramental theology, but the solution to these problems is not to throw out sacraments altogether, but to move beyond the simplified similitudes one learns in Sunday School and study the real theology of the Catholic Church! Might I recommend starting here!
Watch the video below!