And I’d go further and say that the French prosecutor does have some pretty robust provisions to rely on there and probably won’t have to work too hard to get a conviction. 

People can wail and cry all they want but unless Telegram showed either a willingness to provide chats when asked or else made an effort to restrict access to Telegram in France then there’s not a lot his lawyer can say 

 This is the main reason I'm convinced that technologies like this need to be maximally decentralized without figureheads that can be used to send a message. Unfortunately, that isn't always a simple task.