You sound like you're fun at parties /s. If we're looking at the US, "already sick with chronic preventable illnesses causes by poor lifestyle choices" is >50%

You sound like you're fun at parties /s. If we're looking at the US, "already sick with chronic preventable illnesses causes by poor lifestyle choices" is >50% of our population, so I would say a majority of people care (here). Our society and businesses have done a pretty good job making sure most people don't have the time available to make the right choices.