I guess you believe nobody in Germany knew about the Nazi murder of retarded folks, old and infirm, Checks, Poles, Jews, etc.
Truth is, they lobbied for it for 20 years, passed laws to make it legal, and yet people were “shocked” that the Nazis were in the murder business.
As long as the trains ran on time, they felt better about themselves, then it was fine.
Oh and don’t forget the execution of many US GIs in the last days of the war.
They (the german people) KNEW this stuff was going on.
Even those of us who have nothing but revulsion for these things know without a shadow of a doubt that they exist, are being practiced without a hint of secrecy, in broad daylight, with the support of millions of our fellow citizens.