I can surely see why they couldn't get profitable. It's the overy health conscious Americans who didn't let them as if only Sugar and vegetarianism has been the culprit for high numbers for Obesity.
To tell you the truth around India has the highest % of vegan and vegetarian people.1
However the obesity rates in India are far lesser in comparison to that in USA. India had 8.02% of obesity and US had 45.58% till 2022.2
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