Calculated misery by Tim Wu explains a lot of this. Goes on to show how airlines and other industries as well. I think the paper was published in 2014.

Ctrl-y to paste what Ctrl-u deleted or cut

I might have missed if it was in the article. Sorry in advance for that.

Do we have any idea regarding the top 3 or top 5 reasons that drove potential contributors away? Not in terms of hypotheses, asking about actual studies, interviews, surveys, etc

Three diets come to the mind. Mediterranean, Atlantic, Mormon diet as it is designed and followed in America. Followers of these diets tend to live healthy and long. What the three diets have in common is, each of them is local and seasonal to a large extent.

Local and seasonal. Eases the transportation load and refrigeration load. Both contribute to what you refer to as good for the planet .

Perhaps letting every region design and foster its own local and seasonal diet is a good idea.

That brings us to the food industry. How may we escape the sales and marketing armies of the food industry? A great challenge indeed.

🥇🥈 🥉 🧇 🪨 ✂️ 📜 There, gold, silver, bronze, cheese looking metal, rock, scissors, paper