If they value their statehood, yes.
If Germany took care of their Nazi problem before it festered, the rest of the world wouldn't have had to deal with the entirety of World War II, and German citizens wouldn't have been punished with the brutal East/West division of its country. Countries should not tolerate fascism and terrorism within their own ranks, no matter who's side they are on.
I can post random images of "facts", too:
See, look at my post! I posted an image! Look at meeeeeeeee!!!