This excerpt from Bearing Arms sums up so much truth, in one paragraph
However, this is a prime example of what happens when citizens are required to “prove” they “need” to exercise their constitutionally-protected right to self-defense. Some bureaucrat will invariably decide that they don’t need it, if not now then at some point in the future. They’ll then try to revoke the permission that had been granted.
Go read the rest it is good, and a great reminder that “rights” once surrendered to the State, and simply privileges, privileges the State can take away