I can see your good intentions, I also think like that, the government must realize the greatness of the blockchain, I have been frustrated to see many people corrupt, sad to see poor people who have to get help but the help was taken by corruptors. if the government knows blockchain technology can be a very good bridge to help people because money can be sent directly to the recipient's wallet safely without parties
What you are not adding to this is the fact that the government themselves are the corrupt ones for most especially the underdeveloped countries. As long as this is in play and their corruption still persists, they will always find a way to jeopardize the effort of anything that is going to disrupt the way they have been doing things over the years and in that case, we both know how things will turn out. It depends on a government that is really ready to work and leave some legacy, but for now, it is hard to find them.
Moreover, it might seems so easy to say that government will tend to find a way to adopt blockchain technology in the long run, but we also have to understand that corruption has dug so deep in some parts of the world, that things that are supposed to be provided for the citizens are not there and that makes them a whole less enlightening. As long as there is someone in the position of power siphoning and looting all the funds, I doubt in such scenario that would be any possible adoption as well.
Its easy to say such thing but when it came to do its become hard. You'll face a lots of problems. People won't pay you tax which mean you'll never able to work Your idea is good but you'll face a lots of problem in future.