This is the interpretation which the Westerners have thrust on us. The name Hindu Kush existed even before Islam was born. The Western historians were part and parcel of the Divide and Rule policy of the colonial British. They wanted to drive a wedge between Hindus and Muslims and twisted history. Their encyclopedias also served the same purpose. Some of the present day Hindu historians and pseudo historians also would like to believe in such theories, because it serves their ends.