Which is why I'm confused people are even talking about their encryption in this thread.
This has nothing to do with secure chats and everything to do with Telegram's Channels feature. But a ton of people that have never used Telegram nor read the article don't know that.
And proxies. Telegram has great proxy support and virtually anyone can install their own MTProxy in 5 min.
A multitude of proxies, shadow optic cables over the border and a bit of whitelisting from the government to allow payment processing made Telegram invincible.
This has nothing to do with secure chats and everything to do with Telegram's Channels feature. But a ton of people that have never used Telegram nor read the article don't know that.