I think the above ^^^ is wrong.
The case out of New York would allow SCOTUS to decide two important nationwide issues:
1) Does the 2A protect a right to bear arms outside the home, and if so:
2) The level of scrutiny for laws infringing this right
Ok, but that the case is about a specific New York law, not a Federal law and I do not believe you can leverage a state law ruling across any other states. California and other anti-gun states will not be affected and even if the inference is that the law is unconstitutional, these states will not be adjudicated by a New York ruling.