The first iPad mini was released in October 2012 without retina. iPad gen 3 was released March 2012 with retina. I don't understand why they couldn't have inclu

The first iPad mini was released in October 2012 without retina. iPad gen 3 was released March 2012 with retina. I don't understand why they couldn't have included retina in the mini... maybe they purposefully withheld it so people would buy gen 2?