No one is saying that culture is fixed and immutable. If you put X million people of <Y> origin somewhere, you'll end up with <Y> culture there. That's precise

No one is saying that culture is fixed and immutable. If you put X million people of <Y> origin somewhere, you'll end up with <Y> culture there. That's precisely the problem. Do you support mass immigration of European or Chinese people to Africa until population density becomes a problem?