I'm mostly talking about breadth of harm, ie that PFAS is quite literally everywhere, rather than depth of harm, ie a couple hundred rivers have been made into

I'm mostly talking about breadth of harm, ie that PFAS is quite literally everywhere, rather than depth of harm, ie a couple hundred rivers have been made into poison. If the damage was exclusively contained to these rivers, the cleanup would be obscenely expensive, but possible. Currently cleanup is basically impossible.