My thoughts are, that just because it's FB, it will probably do ok (after they go thru the process of answering to the Regulators, Congress, and the European Union).
I am sort of in the crowd of anti-establishment (don't really care for $XRP either)
Having said that, from an investors viewpoint, you're right:
Just another fact about it to know and take into consideration.
RE: Will Libra Help Steem, or Hurt it?