1. Willing to gamble they'll never get sick 2. Don't want "their" tax dollars paying for other people's medical bills, other peoples anything for that matter. More aircraft carriers please! 3. Don't think there's a problem with the system because it hasn't destroyed them yet. 4. America is #1, best health care in the world, and any contrary information is ignored.
Unfortunately for a lot of people if a problem doesn't impact them directly, it's not a problem or doesn't really exist and anyone else can eff off. In a very real way it's not just anti-socialist, it's just anti-social.