Right, these people are normal people who work in e. g. transportation. I don't know if they get remittances. My friend has severe problems with money transfers to El Salvador.
Since the UI issues have not been resolved during the last ten years I doubt they will be resolved during the next decade either.
No tax breaks needed? Everybody prefers USDT to btc for starters. It doesn't matter what academics say, people don't want btc until it is usable and adds value (e. g. via tax breaks). The don't know who Powell is and couldn't care less about the Feds policies.