I don't run anything related to the protocol. The protocol governed by the MobileCoin Foundation, an independent board of directors. The foundation makes recommendations about how the network might behave, but ultimately it's up to the node operators to decide what code they run.
If that is true, what is it that makes it inaccessible to US individuals? My understanding is that a “real” decentralized cryptocurrency not misrepresented by the issuers will not fall under regulation like that.