Yeah, that makes sense. I think it was optimistic to think that anyone would change their mind immediately (although that might just be hindsight), I assumed the point was more that people might get a better general idea about what tradeoffs are worthwhile (like "this restaurant is actually healthier" or "ordering a smaller main course is at least as important as choosing a different drink"). Although I admit that's the sort of thing that will be hard to test objectively.
I don't know if the idea will be practical, but it at least seems mildly helpful and not horribly discriminatory, which puts it miles ahead of lots of pro-health initiatives.
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I don't know if the idea will be practical, but it at least seems mildly helpful and not horribly discriminatory, which puts it miles ahead of lots of pro-health initiatives.