You clearly don't understand the first thing about him. He wants humans to thrive on their own merits. Using nanomachines was merely a means to an end for him. It's like saying someone whose life was saved by robotic prosthetics had to automatically vouch for robotics replacing human jobs instead of just robotic prosthetics. One saves lives, one ruins lives.

His nanomachines help humanity, These AI do nothing of value for humanity. It's not even apples and oranges, it's apples and rocks.