That wasn't the main point though. The point was that a few generations ago, Nvidia was selling mid range silicon, 60 and 70 series cards, for around 300 to 400

That wasn't the main point though. The point was that a few generations ago, Nvidia was selling mid range silicon, 60 and 70 series cards, for around 300 to 400 USD price point. Now with the 4000 series, the 60 and 70 series silicone have the specs of the older 50 and 60 silicon, at much higher price points. Nvidia is now selling us less silicone die for way more money, and their sales numbers reflect that.