This is not correct. That was only what the Nazis said out loud, but as usually that was a lie. The Schwabacher was not a Jewish font. It was because of the very practical reason that in the invaded countries people were struggling to read Fraktur. Antiqua was much more common and readable.
More here: https://www.uni-heidelberg.de/unimut/themen/fraktur-verbot.html
The D-Day landing scene in CoD 2 was i n s a n e at the time. Goosebumps