Linux is not in the public domain. Linux is a cancer that attaches itself in an intellectual property sense to everything it touches. That's the way that the license works.
Bio: Anne Erin Annie Clark, better known by her stage name St. Vincent, is an American musician, singer-songwriter, and multi-instrumentalist. After studying at Berklee College of Music for three years, she began her music career as a member of the Polyphonic Spree.