Bontadelli says that there were only about 2,500 acres in the whole country planted with Brussels sprouts just a few years ago. Today, there are 10,000 acres of Brussels sprouts in the U.S., and fields are getting planted in Mexico, too — just so people can get their Brussels sprouts year-round.
— Read on www.npr.org/sections/thesalt/2019/10/30/773457637/from-culinary-dud-to-stud-how-dutch-plant-breeders-built-our-brussels-sprouts-bo
Helping behaviors and altruistic behaviors are kind of contagious in crowds. The same applies to individualistic or selfish behaviors.