The rule of law only applies to the little people.
The exchanges may still exist, but they shall no longer have access to the original sources of funding for those applications that depend on subsidies for the applicant who falls into the class defined as eligible for assistance..
Otherwise, people now have the option to decline to carry coverage at all, without penalty from IRS, or they can still buy the “insurance” with its enormous deductibles and the right to carry a card, which they find is virtually useless in covering a good many of the ills with which they may find themselves afflicted, ending up paying out-of-pocket until they have spent themselves into penury.
That is a much more fiscally sound policy for just about everybody but the victim, er, Obamacare client.