A beauty and personal care line ready to ship into three markets meets three different ingredient declarations, two label languages, and one regulator that wants a warning the others do not require. The instinct is to standardise the carton and be done. The instinct is wrong often enough to be dangerous.
Run everything the same way and the goods that need to bend cannot. Let everything bend and nothing can be trusted to be the same twice. Neither extreme survives contact with a real catalogue moving across regions.