Since it has to do with the government another agency can be set up in the country in respect to paying salaries as Bitcoin which will somehow help in the growth of the economy of the country.
Government agencies are full of bureaucrats who slow down every process, and this includes Bitcoin. They don't necessarily hate it, but the way a government works is that everything is usually done at a snail-pace, so in other words, months or years.
Also, the central banks of those countries would be fiercely opposed to anything involving bitcoin, since that would hurt the banking systems in those countries.