Of course. How do you investigate harassment and identify site-killing lunatics without keyword searching.
It’s all stored and anyone who needs to see stuff their site hosts can get it. Plus - you’d be surprised how much criminal activity people are willing to discuss with strangers.
bitfucker@programming.dev 5 weeks ago
Anything not advertised as E2EE can be assumed to have some 3rd party able to look at the conversation, malicious or not.