Earlier quoted context omitted.
It’s an extremely sad situation and will guarantee every single healthcare system eventually breaks down.
Why was this down voted? You're not wrong. Regardless of whether we have a private or socialized healthcare system, we simply won't be able to afford to continue delivering high quality care to everyone with chronic conditions caused by bad dietary choices and sedentary lifestyle. The resources just aren't there so we will increasingly have to ration care.
I ask this as someone with a BMI of 23 who puts a reasonable amount of effort into not becoming obese or overweight again. The personal benefits of not dying from cardiac arrest at 55 are very obvious, but I'm not clear on why healthcare systems won't be able to cope.