@soigomaa The fuck? Isn't it common sense to use clean water for drinking?
It's just natural selection. They deserved what happened if they're dumb enough to use contaminated water in the first place.
@Dexerto Why would I tip you for a job you're supposed to do?
You got problems with your wage? Talk to your manager/HR then. Be grateful enough that I'm availing your services to keep you employed.