I noticed that too; I wouldn’t be surprised (somebody will be along shortly who knows for sure) if there was a German fancy-dress enlisted-man’s uniform, for those cases where an enlisted man needs to go to a movie premiere.
Since so much of the dialog was subtitled (75%?) I started noticing interesting choices: apparently “oui” “merci” and “wunderbar” need no translation.
And to the poster above who wondered if the “Bear Jew” would be revealed to be Shoshanna…naw. The German nickname for her would’ve been the “Holy crap gorgeous blonde Jew”.