they judged Jesus (Germany)

The sender of this postcard lives in Germany but picked this postcard up in Graz, Austria. It depicts a window in the Graz Parish Church that is of some controversy, apparently. In the upper right-hand corner you see two faces which are Hitler and Mussolini, joining in on the judgement of Jesus.

The sender of this postcard asks whether this scenery is appropriate for a church; I personally think that any condemnation of unrepentant murders and dictators is warranted and welcome, no matter the setting. But what do you think?