This must be seen as an absolute failure of Facebook's PR department. As soon as this story hit the tech media, they should have reverted the decision and paid him and excused. This is a serious hit to Facebook's standing as a good workplace. What would you feel as an employee in this situation?

SSD prices fall faster than harddrive prices, so it's only a matter of time before SSD is at the same price point, and then harddrive production will cease to exist.

Harddrives hasn't got much bigger the last few years, we're still at 3 TB max. SSDs are growing fast. Soon, harddrives have no advantage.

the problem is, the test is not likely to test emotional maturity

If it did, many of the 18-19 year olds would fail getting into college while many of the 16 ahead-of-time year olds would be a home-run.

It is (many of) the 18-19 year olds that are not mature enough to be decent when bright 16 year olds surpass them in class. Sadly, those 18-19 year olds don't get more mature with age in that aspect. There is so many adults that can't take 16 year old software developers seriously.

Fixed URL of screen shot: screen shot of UI for relays.

Really simple, they have a nice UI for this: screen shot