Well, this is the consequence of Telegram's poor privacy choices. Most chats are not end-to-end encrypted, and they could have access to their content. This makes them liable when they refuse governments' requests for such information. It also raises the question of whether they have given such access to other governments like Russia (coincidentally, Durov was in Baku at the same time Putin was visiting, and there is…
If all the chats are e2e encrypted then the government will arrest you for designing chats in such a way that a backdoor is impossible
Like we say in Russia, "as long as we have a man we can find a law to imprison him"