One thing .. To get a Bike into a shipping carton, and thus into a container and the container on a ship
the bikes are knocked down..
to send a Transcontinental tourist's bike back for them, on the opposite coast.
to fit into those cartons the rack often has to come off.
I was wondering why touring/commuter frames are rarely built with integrated racks like you would see on a cargo bike.
largely because the bikes are Imported from the other side of the Pacific, and come on a boat ..
OP, if you go to the Port of Oakland You can see the ships being unloaded of their containers
then the container is set, by a Crane onto a trailer frame .
and driven to a warehouse ..