In case you didn't read the preceding comment carefully, he knows that what you say is true, he just doesn't give a shit -- and, moreover, knows that you can't do a damn thing about it.
I suppose - though I got some sense that he thinks the engineering he does is the same as what we do. To be slightly snarky about it, his argument seems to be "we're all evil, I just own up to being evil, the rest of you suckers are just in denial".
Except, his breed of evil is considerably more extreme than ours.
We can overthrow existing power structures and execute him. Has happened before, will happen again. Amusingly, the harder he works and the better he is at his job, the closer this gets.
Right around the time you get around to execute him he'll have hired a private security force, bought off judges and police with all his millions and jet off to the next laissez faire economy. Don't kid yourself.
Except, his breed of evil is considerably more extreme than ours.