This is a great point about trying to fix Demand side problems with a Supply solution. This is a recent paper talking about this todo with nutrition (Does access to healthy food actually make people healthier?): https://academic.oup.com/qje/article-abstract/134/4/1793/549...
Here is another example with calorie labels (Do calorie labels actually reduce calorie intake?): https://www.ncbi.nlm.nih.gov/pmc/articles/PMC4209007/