I think that this is a good thing for Facebook. I don't really like Facebook, but I use it. They know what cryptocurrencies are doing, they know how it's going to affect social media and they want to do something about it. Maybe, in secret, they are working on their own blockchain social media coin. A company makes a decentralized social media like that of their own, and if they make it right, that could change the world.
Who knows if they are making their own coin.