And it's becoming more and more known because obesity is a growing problem for nearly the entirety of the developed world.
If you're so convinced that obesity is a moral failing, then just put 'no fatties and no fake skinny glp-1 users' in your tinder profile, and all of the rest of us can move on with our days.
I don't know where you live, but the places where obesity isn't on the rise are heavily outnumbered by the places where it is. It's a global problem.
Easy and cheap access to calorie dense food and food heavy in sugars seems to nearly universally be something that significant portions of the population have difficulty resisting overindulging in, regardless of culture.