LOL, no one chooses not to have health insurance. That's like saying people choose to be poor or homeless. Normal people want to have health insurance.
And red states get a lot more money from the federal government than they give back. So the better question is, who would fund the sh[inks]hole banana republic that a seceded Republican United States would become?
Yes, people do choose not to have health insurance, whether it is rational to you or not is none of your or the government's business.
We are almost in a banana republic now (not that you'd agree, but see Libya). I also struggle to see how more freedom from the state leads to such a banana republic. I'd like to see where you are getting this "red states" get more money stuff from Lief.
Who chooses to not have health insurance? There is not one statistic you can quote to prove that people choose not to have health insurance, and you know it.