Considering the meteoric rise of BTC is tied so deeply to Tether issuances, it sounds an awful lot like you’re trying to convince us the emperor really has clothes.
Got evidence for that? Because printing USDT after BTC went up is not a manipulation, but a liquidity boost.
Let's not forget that USDT isn't the only stablecoin in town, it's ratio is actually decreasing, all the way from 3k to 50k.
Pretend for a moment that Tether pulls a Nixon, and closes the "dollar window" ending redeemability. Then what would be the difference between Tether and e.g. the BitMEX XBTUSD perpetual swap contract? Just think about it for a while.
You can also short it if you are convinced Tether is going to collapse.