Its a conspiracy. The art of a culture can teach people to admire beauty, motivating and encouraging them to excel at their God-given talents. "Art" can also be used to debase, disgust and debauch a people, so they don't understand beauty, are apathetic toward all things, including morality, and never attempt to glorify God with the talents He has given.
To debase, disgust and debauch is the purpose of modern "art", a goal it shares with other forms of art, including much modern "music".
If the usurer's lost the power to print money from thin air, eventually, they would likely run out of finance to fund the purchasing of trash for purposes of control.