Those who refuse to reproduce will be ruled by those who do. Its simple mathematics.
Hey, people who don't want children are free to go down that path. I'm not going to force them one way or the other. But it's going to have a significant effect on society in the coming decades, with an ageing population and an increasing Muslim demographic.
One of God's first commandments, which He gave to Adam and Eve, was to be fruitful and multiply. Right now we're seeing less of that in Christian Europe, while the Muslims are breeding at a much higher rate.