Yes let's infer app security from 5D-chess of spy novel grade news analysis, instead of reading source code.
Telegram: client source code shows e.g. all group messages are always shared to the company
Signal: client source code shows end-to-end encryption is always on for every message.
You pretending reality isn't real is really telling.
Also Telegram conveniently appeared when WhatsApp became popular and it was the spitting image of WA back then. Typical Russian IT economy where all they know is how to copy. First Durov copied FB to VKontakte, then he copied WA to TG.
Telegram: client source code shows e.g. all group messages are always shared to the company
Signal: client source code shows end-to-end encryption is always on for every message.
You pretending reality isn't real is really telling.
Also Telegram conveniently appeared when WhatsApp became popular and it was the spitting image of WA back then. Typical Russian IT economy where all they know is how to copy. First Durov copied FB to VKontakte, then he copied WA to TG.