Smart kids designing whiz bang new age devices.
If they worked with a few older, wiser, people most of the duhhh moments would be dealt with in the early design phase.
Experience is what our amazing youth is lacking, and yes, "there is nothing new under the sun".
And as was often said through the article, it wasn't invented before because it was dumb all over and a little ugly on the side.
Kids, someone, probably lots of someones, already thought about it, and realised it was dumb and went on to invent something not quite as dumb and definitely more useful.