I would say that I got confused about Tethers salty after their last saga of minting 5billion USdt out of nowhere. It only means that they don't have any specific total supply and could mint any amount of token at anytime which is not safe for cryptocurrency in general
yes, that's what happened. this is a stable asset, and it will not be different from fiat money. they are free to duplicate and re-create the amount that exists and circulates in the market. but I think developers will definitely calculate how to control prices so they don't become too expensive or too cheap.