There sure seem to be a lot of people, though, who have the cesspool experience I mentioned. It's great that you and I don't have this experience with Twitter. It's also anecdotal and not really relevant to my comment which was about people who aren't you and me.
At some point, the weatherman will tell us about rates of state sponsored AI powered psyops campaigns across social media sites for the day.
At the lowest level, I am talking about even being able to watch a movie on Netflix and not be exposed to the most grotesque violence. Just black out the 36 frames of someone taking a hook through the eye. Or doing sentiment analysis on a thread and recommending that you not partake.
You should file a bug report. Your feed should make you equal parts angry, sad, and horny.
The algorithm decides to show you more high-quality tweets and prettier photos.
If you consider that an echo chamber then all right, but I don't think it's a useful definition. Is going to a scifi-focused bookshop an echo chamber?
Looking at the list of things Twitter believes I'm interested in is quite enlightening about the limits of recommendation engines.