Regarding the current domestic policies, U merchants, withdrawal, and deposit issues,

I have a question to see if anyone has a solution.

That is: If the domestic authorities start cracking down on U merchants and cut off the source, how would they do it? The most effective method would be to send a group of people to register on major trading platforms. By trading just one transaction of U, you can obtain all the information about the other party, and then invite them for a chat. Wouldn't that completely clean it up?

So far, nothing like this has been done; is it just for show? Why hasn't it been done? What are the pros and cons? Will it be done in the future? If it is done, what would be the response?

Bitcoin is defined as a commodity; buying and selling commodities should not be illegal, right? No need for U anymore, just trade BTC on C2C. What impact would this have on BTC? The impact is that the existing USDT supply cannot be quickly converted to C2C; the fastest way is to exchange U for BTC, which would drive BTC's value up. People entering the crypto space would first need to buy BTC, possibly leading to a wider adoption of BTC ownership.