Yes the Democrats designed the ACA too well for their purposes.
They designed the ACA so as to make it very difficult for the Health Insurance Companies to make a profit. But what they ended up doing is making it all but impossible to make a profit in Health Insurance. So you have insurance companies cancelling policies in states all across the country where they have deemed it likely that they will suffer unacceptable loses.
As this article states they leaving individual insurances policy holders to the ACA. High Risk cases will be dumped on the ACA driving up the cost of policies or making the ACA operate at a loss (or both). The only way that the ACA will be able to attract policy buyers is to raise subsidies to astronomical heights; which means the tax payer will be footing the bill for the high risk pool of health insurance buyers.
What we will have is the next Amtrak or US Post Office; a money loosing quazi private company that is a drain on the Federal budget that could be more efficiently run by the private sector.
But of course the only solution the Democrats will ever accept is to pump more and more money in to the bottomless pit. And of course the other inevitable result of this new adventure in Socialist failure is that the Republicans in congress will only briefly protest and then acquiesce to the Democrats pointless solution that will of course fail and need to be repeated endlessly.
What is being put up is not a viable "insurance" model, but is just designed to look like one.
Obama is managing to fundamentally transform the insurance industry, similar to the way the auto industry bail-out, false bankruptcy scam set aside business contract law.