Before I was old enough for Medicare, I think I probably had one of those complete-piece-of-shit insurance policies for which I would have received a cancellation notice.  It didn't pay for routine clinic visits, health screenings (physicals), prescriptions (unless while IN a hospital), X-rays, colonoscopies, etc.  (Or actually, for some of the tests, it actually DID pay something - $100 - towards some of the tests.  In that case it was still nearly like having no insurance.)  When I had a bill of more than $26,000 in 2003 when a cancerous kidney was removed, the damned insurance paid less than one-half of the bill, leaving me hanging with a horrible cost to pay myself.  Even at that, it took them MORE THAN FIVE MONTHS to pay, and the hospital was on the verge of sending my bill for collection which would have added thousands of dollars to it.
And, of course, I was absolutely trapped FOREVER in that Godawful insurance policy...because I now had a pre-existing condition, and getting a policy from elsewhere was utterly impossible.  At the time of the operation, my fears were actually worse - that I would end up NOT bring trapped in that awful policy - because it was *PERFECTLY LEGAL* for the insurer to arbitrary cancel-my-ass on the spot because I was unfortunate enough to get cancer.  I was worried far more about THAT happening, than even the risks from my cancer or possible infection.  
FORTUNATELY *NONE* OF THOSE THINGS HAPPENED - and in 2011, after a late follow-up and CT-scan and an appointment with an oncologist [cancer doctor], the oncologist actually used the word "CURED" to describe my condition.  I thought they NEVER use that word?  (I was also charged nearly $7,000 for that CT-scan and the damned insurance only paid $100, so I had to pay nearly $7,000 out of my own pocket!)
If the exact current and the soon-to-be-effective parts of "Obamacare" had all existed in 2004, I would have VERY happily and cheerfully used its provisions to get out of my horrible insurance and actually get a policy that would pay me something better than shit, even if it had cost a couple thousand more****.  If "Obamacare" had existed in 2003 I would have had no reason to go through those terrifying worries that I could have continuing cancer and the insurance company could cancel-my-ass and every bit of my life savings could have disappeared.
****Before seeing how horrible the payout was, once they FINALLY paid in 2004 by using whatever minimal and very capricious and arbitrary claim adjustments they used, I never had any reason to think I had awful insurance.    
THAT is why people will be paying more...because TERRIBLY INFERIOR policies which pay for almost nothing are not allowed any more.