Yes. But according to Cooper it was also gradual, in a short time. It is not like there was 100 years to put this together. Hitler started his rise in what 1920, he went to prison and was the party leader in around 1925, and Fuhrer by 1934, and dead by 1945. That's just 25 years Morley of making this all happen, and practically only about a dozen years with real power to start to implementing it.Morley: Even your reading of Shirer’s The Rise and Fall of the Third Reich would have made it pretty clear that the Holocaust was rooted in Nazi ideology from the very beginning. (And Shirer wrote before they found the troves of damning Nazi documents.) Heh, the plan for the final solution even has its roots in Mein Kampf.
When the war started they had six concentration camps, mainly started for political prisoners. By 1944 they had over 1000 camps, including main camps and smaller camps. Auschwitz was a army barracks, and was converted to a concentration camp after the invasion, and it wasn't until 1942 that Jews were sent there and gassed.
I don't recall the name of a book I read about the SS and the early days of extermination. But it read that, under Himmler, who was timid and had a weak stomach himself, the SS were suffering from having to shoot the Jews before they started gassing them. Alcoholism and morale were real problems here. It was then that gas became the way. They started to experiment with gas vans and smaller chambers around 1941, then in '42 they went full force with the gas...in those early days they starved and worked the Jews to death, or just shot them.
Cooper's point was at the beginning of the war they were not ready for all the POWs and Jews. When they invaded Poland the Germans, basically overnight, had 3 million Jews to deal with. And again they had six camps. They took around 400k Polish POWs. They took 2 million French POWs in the Battle for France 6 months or so later. Then Barbarossa, they had by early 1942 3.5 Million Russian POWs.
War to a great degree is reactionary, despite planning.