This could be the case, or could not be. They shared a post on Reddit 19 hours ago from their official account, and I thought it might be nice to share that here, at least to spark some discussion.
The warning from the german team was not ignored, as far as I understood it, but just arrived too late while the newsletter team was already sending the mails.
Nope, it was blocked. They asked, were told this is wrong and knew why.
The reason you had it delivered in Germany is because your email preferences are set to English. They only skipped Germany by blocking the German language. They knew it was wrong, avoided the German language and set it to everyone else. Rather than hitting backspace once or twice.