Earlier quoted context omitted.
Germany does not have extraterritorial prison colonies. I think this is a combination of hyperbole and choosing the wrong word. Germany does have housing for refugees and asylum seekers while they wait for asylum to be granted or denied, and the conditions there might be construed as prison-like depending on your political point of view. Technically it's not a prison. Asylum seekers are not permitted to do paid work,…
Your first point is extremely ignorant. The mess in the Middle East was mainly created by the Ottoman Empire consolidating disparate ethnicities and religions into one empire, and then Europe’s dissection of it after WWI (dividing it between Britain and France). The US inherited the mess afterward. Syria, for example, is ruled by an Alawite minority. The Ottomans oppressed them and tried to convert them to Sunni Isla…
For the mess in the region I would have blamed the Brits first and then the Ottoman empire and the French a distant second and third. But that was not the question here.
We have had that mess for a hundred years now without millions of refugees trying to flee to Europe.