>The problem with salt is that we don't realize how much we are ingesting in highly processed foods.

Exactly there is no need to add salt to your food at all. There's plenty already in the food you buy .
Personally I'm in favour of a ban in restaurants as it's my taxes paying to keep those people in hospital. But I can understand the argument against it.
But treating the idea as being as laughable as banning marriage is a wild distortion.
The Sock