Crypto or not, it is still a digital currency which is not being controlled by the central bank of the country i.e. India in my example. Especially when the country is trying to roll out a digital currency of its own.
For the sake of argument, let's assume Facebook has no compliance trouble with any of the countries; will Libra be successful? It most definitely will, because Facebook has the capacity diminish friction and users would use Libra like any other coins found in a mobile game like candy crush.