It isn't necessarily "Africa" or "Americas".
The heuristic is "is my local fiat shitcoin stealing my purchasing power".
Counter to your claim and easily provable with a basic search Nigeria is one of, if not the leading in BTC adoption %.
https://www.msn.com/en-us/money/news/nigeria-is-the-second-l...
https://www.statista.com/statistics/1194735/bitcoin-online-s...
Here is an interesting article:
https://www.washingtonpost.com/world/the_americas/venezuelas...
The article I linked to is from crypto folks, so caveat emptor.
That's how you solve hyperinflation. The problem isn't that the currency is bad. The problem is that the government is utter garbage and since when did Bitcoin market itself as a political tool to subvert authoritarian leadership? No, it's just another "currency" like the dollar.