Alright - so whole community intervention, including literal celebrity chefs appearing and building out menus, can improve the situation.
Yes, if we remove all of the modern, processed, high calorie, energy dense, sugar heavy foods out of a place we can improve the obesity rate.
I hope you understand why individuals are going to take things into their own hands vs. waiting for massive societal change. I thought you were referring to whole cultures or countries making significant change here, not small communities.