This article is hilarious 
https://www.google.ca/amp/s/www.forbes.com/sites/adamhartung/2017/08/15/a-bitcoin-is-worth-4000-why-you-probably-should-not-own-one/amp/
https://www.google.ca/amp/s/www.forbes.com/sites/adamhartung/2017/08/15/a-bitcoin-is-worth-4000-why-you-probably-should-not-own-one/amp/
Well, everyone has their different opinion and it is just another random opinion. He has given an example of bulb from 1630; that was a different case but bitcoins are the digital revolution . There should not be any panic, people have already shown their trust on the bitcoins.