If government shows a soft corner t bitcoin and crypto with their existing currency bitcoin will more famous and strong for the upcoming investors and users and this will be a good step of the countries if they duly allow crypto for use and for government transactions too now blockchain is the fastest way to make online payments and a good solutions for holding in wallet.
To support bitcoin as a means of payment is not something easy, because there must be a stable and evenly distributed internet network, there is a laptop / computer or an Android phone. Knowledge of bitcoin and how to use it, as well as the mentality of the community that must be educated because everything is digital. Physically there is no money. Technology is better because the blockchain makes it more efficient.
Which is why it is better to let bitcoin to be adopted at the speed people want and try not to force it in any way or form, bitcoin is definitely very useful and it has a huge potential but we must admit that it has limitations, the problems with how we are going to make bitcoin scale are still there, the developers are in the process of solving them but that is still an issue and as you say the level of infrastructure that you need in a country in order for bitcoin to function is big.
Also the level of wealth of the population needs to be very high as well because you will need that most of them has access to the Internet and access to a device that he can use to connect to it just to use bitcoin and while that is a given in many first world countries that is not true in many other countries.