No, you're making an assumption which is easily proven wrong. Here is what Kraken's USDT/USD book looks like on the bid side:
Volume Price 125.000 $0.9988 121.898 $0.9987 535.315 $0.9985 871.893 $0.9984 147,258.063 $0.9983
No, you're making an assumption which is easily proven wrong. Here is what Kraken's USDT/USD book looks like on the bid side:
That means if I sell 2000 USDT, I'll move the price by 0.0005. And if I sell 100000 USDT after that, the price won't move at all. As a whole, Bloomberg's article seems to have little substance. I don't see anything that suspicious.