They are dealing with potential security issues in china. e.g. ngzhang doesn't drive his own car anymore, doesn't use his old cellphone, doesn't live where he used to...
They have physically secured the transportation route between them and the shipper in hopes of preventing damaged avalons (said 6-7 Avalons had broken corners or damage).
I'm guessing he's thought of this before, and it seems unlikely I'll get a straight answer by asking him online.... but what's holding him back from moving?