I don't think so. Although it is a startup that is considered to easily become a unicorn, it operates in a decentralized market and has no legal guarantees. This will help manipulators and our market will become worse and worse. moreover, the consequences that Libra may cause to the US economy could be money laundering. When transactions are stored on the blockchain and it is impossible to prove who transferred or received, the law cannot be investigated. Those are the reasons why the US government should ban Libra.