By turning over the money changers' tables he disrupt the Temple System of sacrifice. Jesus taught that God did not need sacrifice the change mind of God about people, but he came to change our mind  about God. Therefore, Jesus did not die for sin by a mythical Adam and Eve. He died to show us there is life after death.
Jesus had no intention to create a church but to show us that we can access the Divine without priests and sacrifice. His disciples today are called the People of God and that is the Church. It includes all who follow Jesus such as Catholics, Protestants, and Others.