I think that the inclination for people to move to other countries will diminish if and when there is more economic equality between the various nations of the world. I also agree that the need for people to move to other countries because of economic need is unfortunate. I don't agree that mixing cultures within any given country is the cause of the problems that we see in those countries where such mixing occurs. I think the problems are the result of institutionalized discrimination in those countries.

As a for instance, here in the US, there is little or no friction between immigrants from Muslim countries and the rest of the population. That is because, until recently, this country didn't practice discrimination against Muslims, and because the Muslim immigrants to this country came from the higher social/economic strata of their countries of origin. In parts of Europe, they have come more from the middle and lower strata, and they have been very much discriminated against (as are most immigrants from lower levels of the social strata), causing unrest and friction between them and the rest of the population of their adopted country. Also, the lower levels of the social/economic strata are have less job security and when they have to compete with immigrants for jobs, there is friction.

The people in this country that one hears the most about with regard to friction are the immigrants from the countries of Latin America. This is because they are largely from the lower levels of the social/economic strata and they compete with the people here for jobs. They also experience more discrimination than immigrants from some countries.

This is not because different cultures cannot live side by side. It is because people are in the habit of sticking with the familiar. This is something that is changed over time with exposure to those who are different.

So from my perspective, the answer to the problem is greater economic equality and greater equality of opportunity everywhere. The solution to that is in large part the end of economic imperialism. We are in agreement on that. But we disagree about whether or not different cultures can live together in peace. My experience has been that they can, provided everyone has the same opportunities and receives the same treatment.