Their efforts have been in fact stopped and it was so easy that is laughable, many do not consider the decentralization of bitcoin as essential but if it was not for it then governments could have shutdown bitcoin whenever they want it, decentralization is what it is protecting bitcoin and it is the main weak point of Facebook, it does not matter that it is one of the most powerful companies around the world, all its power is centralized in a few people and they can be easily intimidated or bribed if needed.
Did you trusted with Libra coin become profitable after launching to public? will available Libra get legal access from United State where hate with crypto world and have negative side with Libra, maybe we only wait and see at the next year what happen with Libra coin become profitable and keep launching to public or not before investing with Libra coin.
The Libra project in a sense was never going to be profitable for those that invest in it because it was going to be a stable coin and as we know those coins are designed in such a way to be stable and to not move that much compared to the rest of the coins in the market, what Facebook was trying to achieve was to become something closer to a bank and have very specific information about what people were doing with their money, which for a company like Facebook that was extremely valuable information.