I don't entirely disagree with you, but how do you explain that the former director of the NSA is seemingly fully engaged in explaining and justifying their act

I don't entirely disagree with you, but how do you explain that the former director of the NSA is seemingly fully engaged in explaining and justifying their activities? It would appear that they do have at least some incentive, no? https://www.youtube.com/results?search_query=michael+hayden https://www.youtube.com/results?search_query=michael+hayden