You may not press for increases to the taxation of alcohol and tobacco, but neither do you promote that they should be tax free Ken. In any case we all may adore this and that without having the object of our affections rule our lives.
No matter right or wrong, it is a long established principle in law-making, and taxation especially, in the UK to attempt to affect the habits of the population through increasing the tax on certain consumables.
I have known long term heroine addicts that hold down jobs, make a decent fist of parenting and that are no closer to thieving than anyone else. Could/should this be an argument for the increased use of that drug?
It is not only the increase in the availability and consumption of processed foods, but the trend in the food industry away from offering foodstuffs in their raw state that is driving the consumer away from knowledge of preparation and cooking, driving away knowing from where food comes from too.
The so-called food industry no longer exists to feed the population, but more and more to simply make as much profit as it can, in any way it can. Pumping sub-standard fare with sugar/salt/MSG and much else, to not only make it palatable, not only to make it taste, but also to make it more-ish.
We are in real danger of turning thousands of years of food knowledge and awareness into a Soylent Green of wholesomeness.
Our best weapon against this is to eat to live and not to live to eat.
I have not yet found anywhere that advocates a sugar only diet, but I did find this, and it is something to be going along with...
146 Reasons Why Sugar Is Ruining Your Health
http://www.rheumatic.org/sugar.htm