Basically nobody cares about front camera performance since its never stellar and always over-ironed digital meh, especially compared to look of display that's constantly in-your-face. The photos taken with it are never taken for highest picture quality, rather just catching a person being somewhere.

The motivations of Apple to keep things as they are for so long, despite strong criticism from all over is one of business mysteries. A little middle finger to its user one may say, not big enough to stir things too much, just a bit.