This story has nothing to do with using hot water for drinking or failing to run water before drinking.
The new process actively released lead from the older plumbing systems. It is big news in any city with century-old homes. Unless you want to pay to replace all the plumbing in every older home, the water system has to work in a way to minimize harm to the residents.
Setting up a new water process without considering the impact on the residents is criminally negligent.
IT’S old news.
OLD