It didn't happen in isolation though. There were a few changes that used aesthetics as a culture influence and what being properly German should mean. Another one which was more explicit was music https://en.wikipedia.org/wiki/Music_in_Nazi_Germany It was literally anti the idea of diversity and inclusion. Much like this change.

And just like with the font, that shaped preferences for years.

That's still using their other culture choices to manufacture a problem with producing consistency in typeface. It's a stretch. Any good (don't take this out of context, please) leader will settle these kinds of trivial internal disputes and move onto important problems.