Reducing the birth rate below 2.2 kids per family on average results in negative population growth. We’re already seeing it in many places world wide as a result of equality and education. Simply creating awareness of the global benefits is enough. We are already facing a catastrophic global population decline mid century which is going to shock the hell out of our forever-growth economic systems. The only question is whether we’ll see a decline soon enough. Humans as livestock? Killing people? Relax dude.