’The point here is not that we all have to agree with Ocasio-Cortez’s declaration that “the U.S. is running concentration camps on our southern border.” The point of historical comparisons is not to seek a perfect match—which can never be found—but to learn how to look out for warning signs. How many people, after all, know that a major act of violence carried out by the Nazi SS was the deportation of Jews deemed to be illegal immigrants? ... American policy now is to apply violence to people who lack American citizenship. We subject undocumented migrants to procedures forbidden by international law, such as detention itself, and deny them rights guaranteed by our own Constitution, such as due process of law. These abuses command attention in and of themselves. In historical terms, the worrying thing is that separation from state protection can be the first step toward something much worse. We rightly think of the Holocaust as the attempt to remove Jews from the planet by murdering them all. In its unfolding, however, an important early step was the stigmatization and deportation of Jews who were not German citizens...’ https://slate.com/news-and-politics/2019/07/holocaust-museum-aoc-detention-centers-immigration.html