More like its original intention than whether it is used in transactions for coffee etc in countries with realtivly  strong fiat currency is the use in countries suffering high inflation  as per the below article . While myopic posters in Australia see no need because there is little or no need in countries with strong fiat those individuals in countries with weak fiat and high inflation are adopting at an increasing rate . Which makes talk of death spirals rather irelavent.

        

https://ambcrypto.com/bitcoin-btc-trading-volume-increases-exponentially-in-columbia-venezuela-and-peru/