> Use of Latin has nothing to do with Americans or whiteness. It's a holdover from the legal and medical professions

The fact that the language has such a degree lf these holdovers has something to do with Americans (or, rather the Anglosphere more generally), which is why the GP can note that it is a difference from German, where once upon a time; Germany had the same use of scientific, clerical, and professional Latin in the past, after all.