Earlier quoted context omitted.
Your argument seems to be basically: is 2 really a bigger number than 1? We are 1 right now, and the rest of the world is less than 1, so isn't that proof that its better? Show me the studies that prove 2 is better than 1.
I imagine that to someone of your political persuasion, this is self evident. But humor someone who doesn't share your views and actually demonstrate (empirically for example) that you are right. I personally don't care whether the geeks who work at a given tech firm are of particular gender or race, as long as they produce quality stuff. I would care if someone couldn't get into the industry because they are X - but…
The point I was making that increasing numbers and diversity in something means more stuff is produced and there is greater innovation. It means the pool of candidates for a given role is larger, allowing better selection. This is all self-evident - as Bill Gates has said, doubling the size of your workforce cannot help but improve things.