We'll have to draw, as in most things, an arbitrary line by consensus. Spinach is on one side, sugar on another, Milk is on spinach's side, tobacco on sugar's, and so on.

This is stuff that we should decide as a society to keep ourselves safe from corporate psychopaths.

Considering that more people are afraid of Aspartame than sugar, I rather not have a "consensus".

I suspect consensus will be very very hard when it comes to food.

There is a popular theory that diary based products are bad for health. Who decides the sides and how does he make the decision?

Why not? In fact, why not go even further and enforce that all websites have only a black serif (or monospace) font on a white background? No more screaming colors, moving parts, confusing adverts - just plain content.

I laughed heartedly thinking this is sarcasm. Then became gloomy to mildly irritated when I realized it's probably not.