You don't get it because you are privileged, we get it in the third world, the things that you see as dumb and simple, aren't granted at all here
Bitcoin IS a terrible currency because it's volatile. Really the worst aspect to have in a currency.
Also, your statement alludes to Bitcoin being the one true way, as if there are no other options for third world countries.
Volatility in a currency is a terrible idea and it gets even more terrible of an idea when utilized by people with little money.
Can you explain how a volatile thing like Bitcoin is a reasonable currency for third world countries?