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…
Of course there are political reasons for which algorithms also do content filtering and censorship but the money reason trumps all: the more time you spend on a network, the more ads you see, the more time you spend on a network, the more content you produce and the more you interact with others and that produces a smell that will attract other small insects which will be served ads, will produce more content and interaction.