Earlier quoted context omitted.
Why do you think any stablecoin exists? What need do they solve?
Right now they seem to mainly be used A) as a proxy for US dollars on crypto exchanges, and B) by their creators, to pump up the crypto markets.
Who often are the exchanges.
"When in a gold rush, sell spades" is old hat. Now it is "sell spades but also denominate everything in the SpadesRUs Prospecting Emporium in SpadeCoin scrip" and relieve people of their dollars at the door before they've even laid hands on a spade.