we should call it a centralized online payment processor.
Yes, we should do it. Facebook is not a crypto coin, they will use the Blockchain Network, that's it! Facebook's Libra coin will be used as a payment procedure in Facebook's native apps! Though we don't have any official source for it, but I assume this will be the truth about the Libra coin!
Facebook hopes that Libra can unite all crypto users lol. even though they have big names, it doesn't guarantee they can beat bitcoin,
crypto users who like decentralization are certainly smarter, they won't be easily attracted to it.