The issue here being that the Nazis fought against the churches influence. Nazism is not rooted in Christianity. Norse and 'german' mythology was glorified more so than Christianity.
Go ahead and read the complicated history : Kirchenkampf – Wikipedia https://share.google/GRqIfBYprnsMQoGBz
If you are unable or unwilling to read it in German you should use deepl.
The Irish were second class citizens when segregation was a thing. This makes sense, I you don't think too hard.