Wiki:
"The privilege in question exists apart from state authority. It is guaranteed the people by the federal constitution." The state does not have the power to license or tax a right guaranteed to the people.
Religions are not entirely free from facing financial burdens from the government. It is one thing to impose a tax on the income or property of a preacher. It is quite another thing to exact a tax from him for the privilege of delivering a sermon. If the exercise can be taxed, the government is capable of making it prohibitively expensive and could be done only by the wealthy.
The case also established the preferred position doctrine, which states that "[f]reedom of press, freedom of speech, [and] freedom of religion are in a preferred position", indicating that certain fundamental human rights have prerogative.
v Bruen, in elevating the right to keep and bear arms to the same level of all the other enumerated rights, adds the right to keep and bear arms to this list.