I am not sure why this is flagged - it seems a reasonable and timely opinion piece. Cryptocurrency is a subject that has to have a deep and public debate. What the OP is saying (which I take to be "the tech world has a duty to point out the flaws in cryptocurrency to avoid giving an impression of a clean bill of health to every ICO out there") - that is a valid socially useful debate. There are valid real world uses…
Edit: oh, the much simpler answer is that it was posted twice and both posts were on the front page. People flagged the dupe. That's fair. https://news.ycombinator.com/item?id=27336405 . --- I think the submitted title probably had something to do with it; As a title, "the emperor has no clothes" is generic and baity. It's also false in the sense that there's no consensus view, so to the extent that the analogy is me…
Fair point. Sad, but fair :-)