I have been excited about Libra coin right from the start that I heard about it, I see some bashers of this coin but as for my opinion
it will help a lot for global adaptation of crypto especially if it will be implemented to be used on Facebook.
You must read the latest article about libra AKA diem
https://cointelegraph.com/news/facebook-s-diem-stablecoin-is-an-existential-threat-to-traditional-bankingThe stable coin will give the best solution for the platform to maintain its payment system. It will not rely with the 3rd parties too.
It can help crypto when there will be a gateway for libra to be paired with some altcoins on the exchange sites and people who owned libra aka diem can trade it into the exchange site too.