This centralizes food supply lines:
https://www.washingtonpost.com/news/worldviews/wp/2017/04/22/bangkok-is-about-to-lose-one-of-the-things-people-love-most-about-it/?tid=sm_fb&utm_term=.5667c2226f3e
(Bangkok, but this shows the problem is global.)
Please put the original thread back.