Why is the matzah called Poormans bread?

in talmudic literature any bread that had multiple ingredients oil eggs or or other uh um in addition to flour and water that was called wealthy bread and any bread that had simple ingredients flow and water like matah it's called Poor Man's bread so it's simple it's Simplicity the Mahal explains that the poor man's bread is the bread of Simplicity that is the bread of Freedom that we're celebrating that that is the bread that where our relationship with God and our relationship