It's coup season in Africa, and much of the world:
Issue #1190: The Global Spring is upon us | Marty's Bent #18606 https://tftc.io/martys-bent/issue-1190-the-global-spring-is-upon-us/
Maybe holding the private keys for bitcoin held by the nation's bitcoin in their treasury lessens the likelihood of being forced out, and if not, at least helps to ensure that if there is a change it power, it would be so without violence and the holder(s) of the keys might even be able to negotiate terms that keep some of it. Think of this being in contrast to the Afghanistan president who, allegedly, had too many bags of cash for the helicopter flight when fleeing the country, and had to leave some behind.