For the same reason Prada or Gucci doesn't go after every illegal vendor selling fake merchandise on the street corner, even if you go after them and win what a

For the same reason Prada or Gucci doesn't go after every illegal vendor selling fake merchandise on the street corner, even if you go after them and win what are you going to take? There's very little profit involved in these endeavors and most people are wise enough to be able to detect cheap junk and not buy it. Soulja Boy isn't getting rich off of this, but Nintendo might take notice if this blows up too much.