I am sure that he is not a new person in Bitcoin, and his also government may be also very popular and have been encouraged in Bitcoin after a long time.
And that is why they are so brave in taking this decision.
I am not sure that they will do this risky thing without any management, controls, and also consideration about the characteristics of Bitcoin itself and for the future, for the condition when BTC faces bearish time again. They must have something that we don't know what exactly they meant and they can maintain to make survive with this decision.
This is a big decision for a country.

And, if this is really successful, this will really drive followed by many more countries in the world, of course those that are ready with this