This has been discussed in a blog post there with discussion and context https://lumendatabase.org/blog_entries/notice-in-lumen-revea...

see also previous discussion https://news.ycombinator.com/item?id=30648519

Note that it is Regulation (EU) 2022/350 to which they're referring to in this email. While I have no desire to read the media mentioned, the whole thing has been pretty much brushed under the carpet.