First. Gunter Grass did not volunteer to serve in the SS. He was conscripted. A difference you, it seems, do not want to mention, as doing it could have destroyed your simplistic argument. Second. I wholeheartedly support Gunter Grass' view, as it is expressed in his poem.
Toronto nightclub shooting leaves at least 2 dead, 3 wounded (AP)
from the article: The moral blindness of Gunter Grass