It may be best we wait until the next bull run before coming to such a conclusion of failure. These things take time and it's easy to deem "failure" in a down market. Funny how tunes on El Salvador will change when the crypto market is on fire again.
It is almost a year after bitcoin was officially declared a legal currency, but the country of El Salvador has not been able to improve their country's economic situation, most likely it is true as you said maybe they still need time to wait for the next increase, because the price of bitcoin is now falling much differently with the price that nayeb bukele bought when legalizing bitcoin in 2021 last year, although many say bitcoin adoption failed in El Salvador, opinion polls show that there are still very many people who support nayeb bukele..