Exploiting the words of God for business is demonic
At the present moment also there are so many editions of the Gita (especially in English), but almost all of them are not according to authorized disciplic succession. There are innumerable interpretations rendered by different mundane scholars, but almost all of them do not accept the Supreme Personality of Godhead, Krishna, although they make a good business on the words of Shri Krishna. This spirit is demonic, because demons do not believe in God but simply enjoy the property of the Supreme.
Bhagavad Gita As It Is 4.2 purport