Needing healthcare isn't an unlikely scenario.
But for most young people (20-40), is needing thousands of dollars a year of it likely? Why do Americans seem to need two to three times as much health care as Japanese or Europeans? Why do we already outspend them even in the public sector (Medicaid, Medicare, etc), and why should we insist on spending hundreds of billions more on health-care when we already spend vastly more (by almost a factor of two) than anybody else? Or given that, wouldn't emulating European socialist health care models mean that we'd cut our health-care payments in half, so everyone gets half as much care?
It's a very, very complex subject, and all we've done is write up some feel-good bureaucratic BS that wasn't even read by the people who wrote it. There are secondary and tertiary effects that we won't see for perhaps 10 or 20 years down the road, such as the inevitable screaming about health-care taxes, politicians proudly reining those in by cutting health care salaries (as has happened all over Europe, because after all, a garbage man is as much a public serveant as a doctor, equality, fraternity, etc), smart people avoiding the medical profession, rulings that medical interns shouldn't have to work more than anyone else (as opposed to the 100+ hour workweeks for US interns), and on and on.
Part of the irony of the whole thing is that the uninsured poor aren't going to benefit from Obamacare because they have to be above the poverty level to receive the insurance breaks and other goodies. Those below the poverty level were going to be thrown into an expanded Medicaid program, which none of the state want or can afford, but they were to be forced into providing such benefits under the duress of withholding
all Medicaid payments to the states. The Supreme Court just ruled such strong arm tactics unconstitutional, and governors are lining up to refuse the program because it will force them to cut funding for police, fire, and schools.
So under Obamacare, the poor are still screwed, the middle class gets hit with hundreds of billions of new taxes that ramp up in January of 2013 (how convenient was that!) and nothing is done to get at the root of the problems of health costs.