Everyone, practically, they are addicted to these sinful activities. So therefore they are mad, pramattah. Vikarma. These are forbidden in the sastras, and they are doing that. Why? Because they are mad. Why they are so mad? Nunam pramattah kurute vikarma [SB 5.5.4]. Now, yad indriya-pritaya aprnoti: "Simply for sense gratification." That's all. Simply for sense gratification. Not for any big but to satisfy the senses.
Lecture on Bhagavad-gita 7.9-10, Bombay, 24 February, 1974