Here's a story from Mailbox.org which is another German email provider focused on Privacy, just like Tutanota: https://mailbox.org/en/post/chat-control-the-latest-eu-plans...

And here a more detailed site: https://www.patrick-breyer.de/en/posts/messaging-and-chat-co...

Not sure if this is indeed exaggerated or unfounded and I hope it is. I heard it was taken off the agenda but that was more of a "for now", with plans to revisit it next year.