If health care costs weren't socialized (they are) and if people were educated (they aren't) and if food always came with accurate labelling (it doesn't [1]) t

If health care costs weren't socialized (they are) and if people were educated (they aren't) and if food always came with accurate labelling (it doesn't [1]) then I'd agree with you. But ultimately each individual does not have time or intelligence to research the heck out of each different field. I'm broadly a libertarian too, but we don't live in a free and intelligent utopian world yet, so let's just ban the transfats and radioactive paints and save everyone some trouble. [1] 0.4 grams of transfat rounds down to 0, and restaurants are not required to track it.