I think it still works quite well. On the contrary, polarization was boosted when platforms started to appoint favorites and actively promoted and disincentivis

I think it still works quite well. On the contrary, polarization was boosted when platforms started to appoint favorites and actively promoted and disincentivised certain content. Made people angrier of course because they were treated unfairly. So if we see regulation, especially content regulation, polarization is likely to increase as long as not every dissident gets banned.