The discussion revolves around the topic of border security and the construction of walls or fences to manage immigration. Participants compare the EU's border policies, particularly in relation to illegal immigration, with Israel's security fence. There is a debate on the legitimacy and implications of these barriers, with some arguing that the EU's actions are hypocritical given their criticism of Israel's wall. The conversation touches on issues of national security, the monitoring of immigrants, and the responsibilities of nations to protect their borders while addressing humanitarian concerns. The dialogue also includes contentious points about ethnic cleansing, with differing views on whether Israel's wall constitutes such an act. The discussion highlights the complexities of immigration policy, national sovereignty, and the moral responsibilities of states in conflict situations.