Why would Desiderius Erasmus write In Praise of Folly?

Desiderius Erasmus wrote "In Praise of Folly" as a satirical critique of the societal norms and practices of his time, particularly the corruption and hypocrisy within the Catholic Church. Through the character of Folly, Erasmus aimed to highlight the human folly and irrationality that influenced behavior and decision-making in Renaissance Europe.