It also is an affront to privacy. They could save lots more material by just not having any partitions at all. Why don't they just do that? As for checking f

It also is an affront to privacy. They could save lots more material by just not having any partitions at all. Why don't they just do that? As for checking for feet, airplanes solved that problem decades ago with door latches that indicate "occupied" when they're closed.