Supreme Court rulings don't have to apply to the states and the entire nation. If their intention was such, they would have stated that fact.

This ruling applies only to this particular case and federal law and the federal government.

For Supreme Court rulings such as this to apply to all states and the entire nation, they would have had to specifically state that and make the case for such as far as the 14th Amendment was concerned.

The court intentionally kept this decision narrow. It is not the "landmark decision" some are claiming.

Some pro-gun groups will definitely cite this decision in future legal arguments for years to come. But in reality, it means little as far as other cases or future cases are concerned.

This decision was only the first rung on the ladder of Second Amendment individual rights to firearms.

Because the decision was narrow, it can very easily be taken away. I think that fact is being lost with some people and groups today.