One could, but it would be a much harder sell politically. The pro-smoking voting block is much smaller than the tasty-food voting block.

Of course. The government has bought and paid for your health. It is only by the gracious largess that we have been allowed sugar at all.

Sure, except sugar in itself isn’t bad. It’s products with excessive quantities of sugar. Various laws restrict those, including the promotion to children:

https://www.gov.uk/government/publications/restricting-promo...