Yes, indeed all the stable coins you mentioned are mostly from USD. And I know that, but are there other possibilities for stable coins around the price of $ 0.1? I don't think so far. Thanks.
not all stablecoin have price of $1, bitcny price is around $0.15 . it is easy to have stablecoin under $1 if that coin is pegged to a nation currency with price less than $1
Stable coins are not that important in this day and age, they are not used anywhere other than the exchanges and the exchanges use them just for showing how much dollar you have and not the exchange that allows you to withdraw fiat so all in all they are totally useless. I mean all that usdt and all that where are they used ? They are super useless and they are not really worth anything in my book, even 1 dollar is too much for 1 usdt.
If you however use them to trade and when you are on binance and you want to do btc to usdt or you think bitcoin is going down at that point usdt has a reason to exist since you change them to usdt and wait the bear out in usdt instead of btc. However that could be usdt, usdc , usd or whatever and it would still be the same for all of us.
all is same coz most prefer to peg their coin to usd (yeah also i agree it's not necessary at all to create another tokenized usd), but some which is backed up by gold (or strong currency) can be investment alternative in bad market condition, and also better in value than those usd tokens