South Africa is violating its own Constitution, and international obligations when it comes to undocumented children.
ISOs rule how people interact with the world.
Standards, like electrical plugs, are usually so simple we don't even really notice them. But they're extremely important: Good ones can drive innovation; bad ones can stifle growth.
How do we know that a measure of something in one location can be replicated precisely in another. We already have a universal measure of mass and time, but what about temperture?