This will NEVER happen. From a person that has actually done investigations, we just don’t have the methodology, resources, or funding for such an endeavor.That's all about to change.
In anticipation of new legislation to revamp de minimus, they've been laying the groundwork to build the capacity to inspect every parcel coming into the country.
No more skipped inspections.
Right now we “scan” (Border Patrol verbiage”) less than 4% of containers. Note the word “search” is not used. I believe the percentage of searched containers is .01%.