Crushes like this are especially hearbreaking because they are the result of people at the back of the crowd not knowing those at the front are being asphyxiated. We should teach more about this phenomenon in schools and have a universally understood protocol so crowds can alert themselves to a crush. We could have a code-word or gesture that can be spread quickly person to person and is understood to mean "everyone…
In a monocultural society like South Korea, it's a good idea that probably could work very well and would have saved lives. I'm afraid here in the west it would quickly be abused by morons wanting to amuse themselves at gatherings and quickly be ignored, making it useless.
But perhaps I'm missing the point and this is the sub-thread for racist tropes/talking points. Why can't all minorities be more like Asians?