This article is FUD and probably wasn't event written by the account holder. I'll tell you what, look up my profile for steem and medium and let's compare reputation, experience, and knowledge.
The writer of this piece doesn't understand tether, doesn't understand exchanges, and doesn't understand bitcoin.
Allow me to explain: https://medium.com/@rextar4444/an-overview-of-cryptoexchangelandea-9455bca60663
RE: Bitcoin a Ticking Time Bomb