Given how often I see articles where a pedo was caught because they were sending photos over telegram unencrypted or similar. I do think many are that stupid.

I understand why, but I get annoyed that I can’t integrate it into ferdium with my other things like discord, e-mail and calendar.

Generally yes, but there is one use case where every key stroke is often recorded and analyzed, a search bar. If it’s trying to fill out suggestions as you type, every keystroke is recorded as you go.