That's all I can think of, and there are definitely downsides. Especially in content provision, if a person likes purple, the system will always push him the news that purple is correct, and recommend that he join the group that likes purple. If choosing purple means that pink must be opposed, the system always pushes him pink is wrong news. And people who choose pink also get the message that pink is the right message. Although this is not a sufficient and necessary condition for contradiction, it will definitely affect some people, and the division will become heavier and more extreme. Also, if the system is artificially controlled to repeatedly push a lie, convey a thought, such as not wearing a mask, an attitude towards other countries... But what is the solution, cancel the algorithm? Shut down the server? Control yourself, don't you? Cancel all notifications and ignore recommended ones?
I feel that the practicality is not high, and I use it while scolding, while waiting for human beings to find a smart way to reform.
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