As the author says, don't get too excited. Still, from the link:
The injunction only applies to Hercules Industries, not the mandate as a whole, and it’s only temporary, as William Jacobson points out at Legal Insurrection. However, the usual paradigms for issuing temporary injunctions are that the judge believes the plaintiffs have a substantial chance of winning the case, and that the regulation or action being halted does significant damage to the plaintiff. That hints at a favorable ruling at the district court level for Hercules, which is definitely good news.........:Read the rest for the full story.