Fact: We live in a global village, and chances that the repercussions of one person's actions will affect people around them are 100 per cent.
Locally, one may get away with contravening a simple “Usikojoe hapa” warning once or twice, but if they knew flies carry germs from that same spot and contaminate food or water, so people have to manage sicknesses every now and then, they would act better.