As expected, Pavel Durov started making changes to Telegram after his release.
Telegram disables ‘misused’ features as CEO faces criminal charges. This is how the government, under the disguise of law, makes enterprises work for them. If he had not listened to them, then he would have gone to prison for certain and would have lost more money in the name of penalty.
Okay, in other words, you're being told that the privacy of your correspondence may be violated. If you are not involved in crime and you are not a person to be monitored, nothing will change for you. It's even better because the scammers will leave the telegram.
Since the original purpose of Telegram was to offer privacy for your correspondence that does seem like a really big deal. They had so much momentum and growth this summer, there was no chance the heavy powers in the world would not notice.