Why were Egyptian Pharoah's Senusret III and Thutmose III so Evil?
Senusret III burned down Nubian villages slaying all the male inhabitants, carving up their bodies and burning them.
Nubian women captives, and children were carted away as slaves to other areas of Egyptian controlled Nubia.
Senusret III had his chief baker hanged. (Genesis 40:22) Joseph had to work for this evil Egyptian king. Luckily for the Egyptian people, the foreigner Joseph from Canaan was on their side.
Joseph worked with both the Egyptian and Canaanite economies (Genesis 47:13-17)
God protected Joseph from Senusret III's evil character. Senusret III had respected Joseph for interpreting his dream. (Genesis 41:1-57) Jospeph told the pharaoh his dream was revealed by God. Egypt then prospered in the global famine by having surplus grain to sell to the world.(Genesis 41:57) Senusret III likely changed his ways.
Thutmose III had fought 17 military campaigns in western Asia. He captured the kingdoms of foreign rulers and sent their sons to Egypt to study and worship Egypt's many gods.
Moses and his people suffered many hardships under Thutmose III's rule. Moses' God heard the Hebrews plight. God sent Thutmose III 10 plagues in order to release his people. Thutmose III never learned not to mess with Israel's God and lost his army and life in the Red Sea.
Egypt prospered the total 80 years from Joseph being Egypt's governor until Joseph's death.
Moses was 80 years old at the time of the Hebrew Exodus.