So after much political posturing by the GOP for the last 7 years, we still have the status quo. Nothing with the ACA has changed. Not one iota. The people covered under the ACA still have coverage. Every element of the ACA remains in place. 

The ACA won't collapse but the funding is unsustainable.  The health care economy now represents 17% of U.S. GDP up from 15% in 2010. It was 5% in 1960. The U.S. health care economy now represents more than $3T. The total GDP represents a top-10 world economy just by itself. So nothing is sustainable with the U.S. health care system.  We can shovel Medicaid dollars into the growing abyss until we reach the financial tipping point. The rest of the world spends trillions less and has far better health outcomes.

Better yet, opiod overdose is now the leading cause of death for people under age 50. Life expectancies have started the downward curve as two leading economists recently pointed out. Both parties are sociopathic.