The government doesn't necessarily have to build any infrastructure. Everything can be left to the whims of the private sector.
Sure, it could. And I wouldn't totally oppose a privatized infrastructure. For example, if American Airlines wanted to build it's own airport, I'd have no issue with that. Similarly, I have no issue with private utilities, private toll roads, etc.
But for a city's roads and the interstate highway system, I think there is a compelling public interest for the government to build and maintain it: national defense, emergency management and facilitation of business.
Healthcare can still be out of someone's price range for a variety of reasons. They could have pre-existing conditions that increase the costs. They could have other financial obligations. Or they could just not make enough money.
Under our current system, those are problems. The current system needs to change. But this does not automatically mean that we should switch to a single-payer, government provided solution. The answer is not more government, it's empowering the private sector to come up with solutions.
This is hand waving the problem away.
No it's not; it's just being real. If a person/family is acting responsibly and is not otherwise poor, there is no reason that they can't budget for their own healthcare. That they choose not to is none of my concern.
What kind of help should they get? Who will pay for this help?
Taxpayers pay for the help. We should cover the healthcare needs of the people who truly can't afford it. We need to draw realistic lines as to what that means, exactly, and I'm not even opposed to expanding the safety net a little, even if we cut the gamut of benefits it offers.
It isn't "your" money. It is tax money that everyone (even the people receiving the benefits) have paid into.
Of course it's my money. I work hard to earn my income and besides, I'm one of the people in "we the people," aren't I? And my income and spending is such that I pay substantially in income taxes, sales taxes, payroll taxes, capital gains taxes, etc. I want to pay less in taxes, not more. The only way that can happen is if we rein in spending.