The title is copied verbatim from the one the Huffington Post used, as are all news articles. If you don't like it complain to the originator.
You and I both know not all the guys on a U-boat were nazis, not all the service personnel were Nazis, not all Germans were Nazis (and nor are they now!) - here you are preaching to the choir. Take it to your politicians and journalists to not sensationalize/stereotype and you'll be onto a winner for sure.