Why have you switched to comparing local fiat to USD stablecoins? Obviously local fiat wins in adoption! It wins against Bitcoin too.
We were rather comparing Bitcoin vs USD stablecoins. And Bitcoin Beach might be a pocket, but Argentina is too big to be called a pocket. Here, Lebanon is another example bigger than a pocket: https://www.cnbc.com/2022/11/05/-in-bankrupt-lebanon-locals-mine-bitcoin-and-buy-groceries-with-tether.html