God judged both Egypt and Israel through Moses. Prophets are like oven mitts. Heed them or be burned.
However, you don't have to be a prophet or theologian to understand God's Law. It's simple enough for slaves, bricklayers, and shepherds, and wisdom isn't only found in churches or synagogues. #yitro, the priest of Midian, had wisdom too. (Exodus 18:19-24)