Congress was not able to pass a repeal or replacement law, so the administration may be knocking the legs out from under the law in other ways. The Department of Health and Human Services slashed the ACA advertising budget by 90 percent, which means there are many fewer messages to tell people when open enrollment is, or whether they qualify. HHS also cut by 40 percent grants to pay navigators, which are regular citizens trained to help people sign up for ACA plans.
"Most recently, Mr. Trump announced plans to cut off subsidies that reimburse insurance companies for assistance they are required to provide to low-income customers who struggle with co-payments and deductibles. The cuts resulted in a crazy quilt of premiums for 2018 that differs radically from the pattern of the last four years, which will upend expectations of consumers in many states," Abby Goodnough and Robert Pear report for The New York Times.