I am scratching my head here. BTC went up 167.55% in value over the last 12 months. How could this be a failure? If El Salvador invested in ANYWAY in btc they s

I am scratching my head here. BTC went up 167.55% in value over the last 12 months. How could this be a failure? If El Salvador invested in ANYWAY in btc they should be a massive success story. Sure people can't use the coin efficiently yet, but it a great place to store currency for a government. (Especially countries with corruption issues - due to the blockchain and accountability).