Let’s be honest, it’s principally for illicit use, a tiny fraction of privacy folks and then a lot of people caught in between who don’t understand yield but want to bet on a volatile asset and have to use a stablecoin to go between. (Because the backers of the volatile thing are doing something illicit.)

You are a decade late, nowadays stablecoins are commonly used in international trade. Most Alibaba sellers accept USDT nowadays, same for Indian ones.