The problem is that replacement of Quantum Mechanics by Quantum Field Theory is still very demanding.
We can believe that we know where the world should go. But unless we're in touch with our customers, our model of the world can diverge from reality. There's no substitute for innovation, of course, but innovation is no substitute for being in touch, either.
I didn't want to get back into the whole industry. I left overworked, overwhelmed, and not having any control over my life. I was bulimic and needed to heal.

