Perhaps, the German Navy itself wasn’t so sure. For a ship that’s as big as a destroyer, its armament is less than that of a modern corvette.
Compare what this German Navy ship holds versus what the same design’s export variant does.
https://www.aspi.org.au/__data/assets/pdf_file/0016/26503/Kamerman-The-German-experience-slides.pdf
Modern radar capable of mapping and tracking the entire battle space, coupled with self defence only weapons
Long endurance but only 4000nm cruising range