Failure to cease implementation before we can do so, risks a new Swiss-based financial system that is too big to fail."
Now this is a weird statement.

Libra won't be a threat to the US dollar because the libra price will be tied to the US dollar price(if the rumors are right about that).However,it's always good to have a constructive discussion about that topic.Zuckerberg will be obligated to reveal his true intentions about this new facebook currency.