"If you want to put your own life at risk, fine. Go right ahead."
Exactly - don't wear a helmet on your motorcycle or go skydiving w/o a parachute. That's what making a decision about your own life actually looks like.
Not wearing a mask is like driving the wrong way on the freeway or ignoring traffic because "we're americans and we are free" or "I'll make up my own mind" or "it's a matter of personal choice" - except that your lack of common sense affects other people.
Want to smoke 10 packs of cigarettes a day? Knock yourself out. Want to smoke 10 packs a day inside the respiratory wing of a hospital-not your call.