Not good. It's banal. Minted tether mostly probably goes to new coins.
Good article
http://fortune.com/2017/12/05/bitcoin-btc-price-usd-tether-limited-bitfinex/ The exchanges, for their part, should offer better transparency. If Bitfinex isnt acting out of self-interest, it is in the exchanges best interest to explain its actions fully: why new USDT are being printed, what theyre backed up by, and the like. Vagueness raises justifiable suspicion, but only on the part of those who understand the market dynamics at play.