By the beginning of 2001, Former Leader of Islamic Emirate of Afghanistan, Mullah Muhammad Umar(رحمه الله) sent a letter to then President, Parvez Musharraf, calling him to implement Islamic law and to form an Islamic government in Pakistan. He further explained the obligation of Islam and the role of an Islamic government.
📝Taliban were not just a group of politically-motivated individuals, but were indeed implementing Shariah and propogating the message.