That whole thing looks shady as hell. To me it seems like the whole interview process is meant to collect all the data they can about you, whether it is to sell the info or to hold on to it for… reasons. Also a private, invite/interview entry only community that strictly prohibits the use of a VPN or TOR and is based around sharing media? Bruh. Either they are sharing something a lil more illicit than your standard rips of Hollywood movies, or this is a honeypot to catch the kinds of people who share that kind of stuff. Everything about this is all red flags and alarm bells
A TEU is a twenty-foot equivalent unit, which is used for cargo ships and container ports, and ICS flag could refer to the International Code of Signals used by watercraft. Obviously granny is talking in code about her international smuggling operation