[MattieTK]

There's no new information here, and some of these problems have been solved such as the group identification that happened during the HK protests. https://www.reuters.com/article/us-hongkong-telegram-exclusi...

End to end encryption is a known trade off for cloud-saved chats, and the article makes out like the German police were intercepting DMs rather than what is more likely, having infiltrated a group.