One of Hitlers first act was to convert a series of warehouses, unused factories, empty hotels into makeshift camps (“wild camps”) which would set the stage for the eventual concentration camp system. This happened almost immediately after the appointment of Hitler as chancellor. He hadn’t become the Fuhrer yet.
What's to understand? You're not working hard enough. The fact is that those who study history, learn from it - and this can be both good or evil. It is very clear that those supporting genocide and fascist actions on what used to be open, public streets in 'democratic states' have learned a lot from history.
I mean, its common knowledge that he was inspired to construct concentration camps by the British and the Belgians doing exactly the same in their colonies.
He thought he would get away with it, because they were also doing it - the difference is, they did it way over the horizon, out of sight, whereas he did it in his own backyard for all the world to see.
To be specific, those warehouses were used to 'reform' political enemies for a few months (communists at first, then democrats and liberals). The point was visible torture, then letting the political opponent out and forbidding him to talk about what happened inside (despite leaving torture marks, removed nails etc).
