It is a messaging app…you, as a follower, would receive all of Intel Slava Z’s messages to their followers.
It is interesting to note that many people in the Canadian Trucker rally, and other Canadian anti-vaxxers, have closed their social media accounts and moved to Telegram. I think they perceive that Trudeau has a harder time tracking and persecuting those with “evil” anti-vaxx thoughts if they express those thoughts on Telegram.
Thanks