An appeal can occur via alternate ruling, and SCOTUS is considering several writs or certiorari on 2A related matters.
LA county requires no less than 8 and no more than 17 hours of certified training, a background check, a Live Scan, a Live Fire exercise and before any of that, a series of interviews - all in person - at a date and time they schedule. There are a series of fees that will add up to about $1,000 with all the external charges, like training.
Can they make it more complicated, yes, and they probably will.