People had to see this coming.  Corporations and governments becoming the big crypto players at some point.  To think otherwise is to believe crypto is not destined to be a superior form of currency in the future.  Especially for governments, they will in time love it because of how easily it can be tracked, how "contracts" can be added for lovely things like taxes for each and every transaction. Whatever thingy or law or opinion they want to add they can and it will be 100% provable, traceable and automatic.  In the end crypto currency will be used as a more efficient way of obtaining tighter controls on people, not the other way round.

Libra is just a stable coin.  It has the potential of bypassing sanctions, banking regs. ect.  just as bitcoin does.  Other then it's a big corporation doing it I don't see the added threat to governments.