[narrowrail]

>nothing about modern society involve choices that only affect the people right around you

This is covered by tort law. If you can prove damages, you can have your grievances addressed.

If we adopt nationalized health care, your argument is that you should be able to dictate my dietary choices? Even if my goal is to do it like my grandfather that never once visited a doctor (died at 68, which is plenty for me)?

Edit: To be clear, the basic premise of yours that I quoted could be used to justify just about anything. That is a power I refuse to grant to any entity, no matter how good their intentions.