In the US, where Twitter & Facebook are dominant, the current consensus in the public mind is that political polarization and radicalization are driven by the social media algorithms. However, I have always felt that this explanation was lacking. Here in Brazil we have many of the same problems but the dominant social media are Whatsapp group chats, which have no algorithms whatsoever (other than invisible spam filte…
But user behavior problem can be solved cheaply, easily and in a scalable way:
Give each user an ability to form the personal filter. Basically, all what I need is:
1. I want to read what person A writes - always.
2. I want to read what person B writes - always, except when talking to person C.
3. I want to peek through a filter of the person I like - to discover more interesting to me persons.
4. Show me random people posts like 3-4 (configurable) times per day.
This is basically how my spinal brain worked in unmoderated Fido-over-Usenet groups (Upd: yes, this “oh how everyone will die without moderation” problem is that old). Some server help will be great, sure, but there is nothing here that is expensive or not scalable. PS: centralized filtering is needed only when you are going after some content, not noise.