Most chronic illnesses result from poor lifestyle. People need to take personal responsibility for their own health and stop expecting a pill to cure their ailments. E.g. “back backs” are mostly due to obesity and poor sleep.
Keep my wife's name out your f*****g mouth
A sedentary lifestyle is kinda forced upon us. As a kid I always envied other children from less developped countries, that spent their time working the land instead of studying their youth away like us. I hated school and I was apprehensive towards white collar jobs, but the alternatives to that lifestyle are just getting fewer by the day. So that's where most of us end up.
There is merit to what you say, there is a distinct lack of discipline in our society as well though. In theory, it's in our power to put junk food companies out of business simply by stopping buying their stuff. Socioeconomics are a major predictor for poor health outcomes. In Britain, smokers are disproportionately represented by low income households.