It is a good approach to promote it as a German model. But I wonder if it really thinks like the German think. I speculate they just translated texts in other languages, likely English and Chinese, into German.
Read TFA. They were very aware of the dangers of such an approach. So they avoided it to the extent possible.
Hey, I worked on pre-training data Kolibri. We spent considerable time and effort to go beyond just translating. For example by building a pipeline that processes Common Crawl dumps specifically for German. You might be interested in a related blog post: https://aleph-alpha.com/en/blog/sauerkraut-not-burgers-why-g...
We also talk more about German pre-training data in the tech report: https://aleph-alpha.com/downloads/tech-report.pdf section 2.3.2.2.