Because the Court does not explain orders denying review, there is no way to know why the Justices would again choose not to get involved in a controversy that, in essence, the Heller decision itself has deepened.
Where in the Constitution does it say the Supreme Court needn't trouble itself to explain things to the commoners?
“Where in the Constitution does it say the Supreme Court needn’t trouble itself to explain things to the commoners?”
Where in the constitution does it say that the Federal Supreme court has the final word on The law that defines their own limits?
The Federal court has all sorts of unworkable and frankly dictatorial powers that they have given to themselves.
Review of most cases by SCOTUS is discretionary, and is not provided as a matter of right. Anyway, see Article III for the short version.
You can't expect a modern branch of the federal government to take power away from the federal government. Maybe 80 years ago, but not now. The government is completely out of control. Not to worry, it'll collapse of its own weight.