I very much believe in equality. Having said that, genetics are genetics. A better world could engineered with selective breeding or genetic manipulation. I know, it is a very controversial topic. Just my opinion. 1. Health and related health care costs. 2. Over population. 3. Socially inappropriate behaviors. 4. Body size. With a healthier, smaller number of us, less criminal, and physically smaller population, the benefit would be less negative impacts on society and the earth.