Telegram has voice chats now and Discord is just terrible privacy wise.
I didn’t know that, but I am unsuprised. I think the idea of using something like signal is at least prevents blatantly dragnet surveillance by everyone and their uncle. The CIA is unlikely to sell info to your landlord or employer for example.
As someone else suggested, there is little hope of privacy on a third party app. And frankly, so much of the tech itself is directly implicated with the military industrial complex that you are probably fucked anyway. If you have information you want to stay private, you are better off never letting it come in contact with the internet at all.
