The logic is that if your house can only comfortable accommodate 4 people then it makes sense to say no to the 100 people who also wants to move in. Resources a

The logic is that if your house can only comfortable accommodate 4 people then it makes sense to say no to the 100 people who also wants to move in. Resources are not infinite. The same goes with culture. The more people you add to a culture who doesn't care about or understand your culture, the more your culture will be destroyed.