@@Lil'Cinnamon, @, @@Miles,
The real issue isn't that he traced his art. I have no respect for people who trace, it's absolutely useless as a method for improvement, but it harms no one when done for personal use. However, the line is crossed when you start making money off your traced works.
This guy took his traced art to conventions and sold it there. He's traced art and profited from it. That is unethical and dishonest. His ill-gained popularity also drew customers away from artists who were doing the right thing and creating original work, siphoning profits which might have other