Earlier quoted context omitted.
Telegram is not a Russian company, it has encryption on by default and is literally famous for fighting "scary Russian government" and all those helping Russian government censor it, including the megacorps you for some reason assume are not in bed with the government. And given how fast the west is moving on backdooring mass communications, in a few years Telegram might end up as one of the few unbackdoored apps lef…
End to end encryption is not on by default, they even say that in their own FAQ. https://core.telegram.org/tsi/e2ee-simple
End-to-end encryption can be pretty useful, but just not in Whatsapp, Telegram, Signal or any app with that level of control.