The post implied the opposite. However, if the German girl writes in German, probably she wants to date in German, the dating platform follows her wish by making it hard to extract the text, translate it, and eventually waste her time.
This might be one interpretation, but in my particular case she also set English as the language she can date in. And then, she was visiting Armenia, so it was unlikely she wanted to date in German exclusively.
I don't use Bumble or any dating app, but if I saw someone's dating profile on a platform I was already on I might just read it to learn more about it. Even if the person is of no interest to me. Sometimes people put interesting details about their personal life in dating profiles. It's probably not going to lead to a relationship, but it might at least lead me to an interesting topic about another culture to learn about.
In the case that it is in another language, I'd probably just use google translate if I'm not fluent enough in reading the language.
Do you have a basic knowledge how those apps work? Both people must swipe right. If the German girl isn't interested in dating with non-German, she can just swipe left. No time wasted.