Why don't you write about scam to other users in the exchange section? Some sell their empty token, which is never even listed.
Report them in the scam accusations board if they tried to scam you. Members will make judgement and tag them where necessary.
All information on the price of UST is in the public domain and is not hidden by anyone.
In the thread, you were deceptive about the whole thing
Grab a calculator and prove to us how 100 USTC = 100 USDT?
100 USTC = 100 USDT, so you get 100 USTC.