Humans are suffering a morale penalty from overpopulation
Channel: Ian Crossland
Date: 2020-06-12

We are functioning at reduced efficiency because of a subconscious (or conscious) disruption to our morale.  This can be fixed, and our morale can be maxed out.

Photon-printed carbon is stronger than diamond - https://www.youtube.com/watch?v=0KJjs4W09hQ&feature=youtu.be