Hard to say, that is much more of moral argument rather than one you could argue much based on fact. Part of the NSA's job is signals intelligence, so they spe

Hard to say, that is much more of moral argument rather than one you could argue much based on fact. Part of the NSA's job is signals intelligence, so they specifically find the vulnerabilities as a means of access. And if that were not the case, they would not have spent the time finding the vulnerabilities, so those 0-days would still exist and be potential attack vectors regardless.