Yes, and Dachau Was Noted for Its Pleasant Accommodations and Gourmet Cuisine

Anyone desiring insight into the Arab rejectionist mindset might want to dip into From Empathy to Denial: Arab Responses to the Holocaust. Sure, you'll probably want to take a shower after every few pages--it is that chock-full of filthy Zionhass--but there is the occasional (dark, bitter, accidental) laugh along the way. For example, there is this:

[Syrian author/history distorter] Nasr Shimali takes the true fact that Auschwitz also served for slave labor to create a fictitious story of the Holocaust as a whole. Accordingly, the Germans were "obliged" to transfer the Jews to concentration camps after the Warsaw Ghetto rebelled against German rule, thereby endangering the German war effort. Shimali, who did not indicate the reason for the rebellion, added that Auschwitz was a peaceful, pleasant working camp with vocational training courses for the prisoners...

So that's what was up with that "Arbeit Macht Frei" sign.