As I've written about ad nauseam, the easiest choke point for the government to stop contraband from pouring in is to lean on the Chinese logistics companies. They don't want sketchy shit in their loads, or the business interrupting problems that brings.
I know other UGLs only give you the US tracking. number to avoid revealing who's containers their packs are in.
I'm sure Q is doing something to ensure opsec in this regard, so things look a little different.
Or maybe just a holiday backlog.
I'm not a QSC shill but there's nothing here that would worry me as a customer. Not yet anyway.