What does it mean for people to regress in the context of societal norms?

According to Osho, regression means moving backward into childish immaturity by reacting against rigid social rationalism—swinging to the opposite extreme and denying reason. It is the destructive revenge of the anarchic side, repeating society’s earlier mistake of denying the irrational. Growth has no fixed image to conform to; it requires integrating reason with the irrational so the whole being matures, rather than becoming a mere social mask.