He was selling their product in their box. Based on your premise I would have to remove all logos from my car when I am done with it sell it as a generic “car”
See the teensy little flaw in your logic?
No, that’s a flaw in YOUR logic. 1 off sales nobody cares about, those are private property transactions and not establishing a pattern of violating trademark. Establishing a resale BUSINESS that’s advertising somebody else’s logo and selling somebody else’ product regularly a pattern. Can’t do it.