Bitcoin has really help the economy , this is just a nutshell of some notable works bitcoin has done to economy of many countries so i don't really see the reason why the government of some countries failed to make it a legal tender till now even after seeing what it has done to their economy.
Well it's true that Bitcoin has helped economy of some countries that have made it a legal tender or allowed payments with Bitcoin but most of the countries and their governments are still skeptical about Bitcoin and they consider as a way that promotes money laundering and etc.
They won't make it a legal tender unless they change their mindset because with that type of mindset they'll always consider it as a vehicle for money laundering and illegal activities while neglecting that fact that how helpful Bitcoin can be to fight inflation. Only if their mindset gets better then they might consider making Bitcoin a legal tender, otherwise they'll keep saying wrong things about it and about the crypto world in general.