I'm not speculating at all and I think you're misunderstanding the point I'm trying to make.
First of all, transport security (server-client encryption as you called it) like TLS is irrelevant for this discussion. All major platforms on the internet employ transport security these days, so this is a given.
The point I'm trying to make is that Telegram does not offer E2E encryption by default: (Non-"secret") Messages on Telegram pass through Telegram's servers unencrypted and are also stored there unencrypted, meaning that Telegram has access to all your messages. This is not speculation β Telegram openly admits to this in their FAQ:
Meanwhile, the speculations in the present HN discussions aside, WhatsApp does provide E2E encryption, so β from this POV β is orders of magnitude more secure.
First of all, transport security (server-client encryption as you called it) like TLS is irrelevant for this discussion. All major platforms on the internet employ transport security these days, so this is a given.
The point I'm trying to make is that Telegram does not offer E2E encryption by default: (Non-"secret") Messages on Telegram pass through Telegram's servers unencrypted and are also stored there unencrypted, meaning that Telegram has access to all your messages. This is not speculation β Telegram openly admits to this in their FAQ:
https://telegram.org/faq?setln=ru#q-do-i-need-to-trust-teleg...
(See also the link contained therein.)
Meanwhile, the speculations in the present HN discussions aside, WhatsApp does provide E2E encryption, so β from this POV β is orders of magnitude more secure.