can we go just five minutes without bringing nazis and genocide into every conversation, it’s exhausting.
If you don't like it, do something about it. It's good that it makes you uncomfortable. That's a message from your conscience, maybe you could act on it.
I don't think so, really. Professional athletes sometimes have rare mutations which give them an advantage in their sport. More population is always going to yield more potential. Investment is obviously critical too, but investment also scales with population size, so you could say it's a second-order effect somewhat.