It only goes to show that people from foreign lands live life as they see deemed fit. In this case, some irrelevant regulations are there for decoration purpose.
If in the states, the commuter could turn around sueing the transport company for his aggravated gastric problem. It's time sporns start to learn from the people living in 1st world countries too.
Regulation or law is just a guideline. Most laws are written ambiguous & is a 50-50 deal.