Anything new by Apple always gets hard criticism . . that's the price of innovative design
Remember they were ridiculed for adopting & developing the mouse, laughed at for introducing GUI for the consumer public, and the Newton technology (which led to the PDA) was thought to be a dumb idea.
I'm still buying the Nano . . my trusty first gen iPod just finally bit the dust. I had many good years with it, but I think it was time