This article is highly misleading and shows that Nitrokey is not aware of how A-GPS works.
People with more knowledge have commented on it here:
fosstodon.org/@biktorgj/110263336003756685
blog.brixit.nl/nitrokey-dissapoints-me/
And by the way, trying to block external links in comments here is a stupid idea. I get you need to prevent spam, but then at least put the comment in a moderation queue...