In case he hadn't made it sufficiently clear that 60 years of Supreme Court precedents are now hanging by a thread, Justice Alito continued: "Our prior decisions approach, if they do not cross, the limit of what the First Amendment can tolerate." As for the special dues assessment at issue in the case, he concluded, the opt-out system was constitutionally insufficient, and the objecting employees were free of any obligation unless they chose to opt in.