In 100 years everyone will look the same. A brown, tan mass of bodies.

I always argue that diversity leads to lack of diversity. Once everyone is mixed.. say bye bye to ethnic nigerians. Bye bye to ethnic japanese. Bye bye to ethnic swedes.

Groups of people that took tens of thousands of years of evolution to take up certain hair colors, skin color, eye color, genetic differences (vulnerability or resistence to disease) and etc to develop. Gone.