This is the NRA's dream case.
Yep, and the 5th Circuit's ruling included an "up yours" to the other Federal Circuit Courts which had previously delivered "collective right" rulings. The judges in the unnamed Circuits must've *loved* being told to do their homework. This is an "Oh, YEAH?!" response from someone who didn't enjoy being scolded.
The Fifth Circuit's ruling was like, to borrow a quote from Mark Twain, "throwing a rock into a pack of dogs. The one that yelps is the one that got hit." The Ninth Circuit yelped.