You are not supposed to drink water off the tap (well, actually you can, if you don't value your kidneys in the long run), you are supposed to filter it through

You are not supposed to drink water off the tap (well, actually you can, if you don't value your kidneys in the long run), you are supposed to filter it through $40 device or boil it, then you can drink it. That's something that everyone does, I don't see this problem, like, at all. I dunno why restaurants charge for water, maybe because they can.