alt Hacker NewsI find them gorgeous.
Admittedly, the term is unavoidably subjective. But what I like about them is that they are distinct, and that each one has character. Honestly, the fact that they looked like pictures I could find in a child's book is the main part of what I like about them: they have simple ideas ("a bird") and forms so distinctive a child could tell them apart.
Ok, but how would you feel if the dashboard of your car had images that made it look like a child's toy? Or your watch? You've maybe grown accustomed to it on your smartphone, but it has little to do with great taste (imho).