Judge Hudson’s decision, by ruling the individual mandate unconstitutional but leaving the rest of the Affordable Care Act intact, would, if it were to stand up on appeal, essentially be a death sentence for the private medical insurance industry in America.
After all, under the remaining provisions of the ACA, insurance companies would still be legally required to enroll applicants despite whatever pre-existing conditions the applicants might have—but they would no longer benefit from the crucial legislative quid pro quo that anyone who did not purchase insurance would be subject to a penalty in the form of a tax.
Of course it’s always possible that the Supreme Court would strike down the ACA as a whole. But given that even many of the biggest opponents of the law concede that its other provisions are constitutional, this seems extremely unlikely.