this is true irrespective of the quality of argument. Since I shunned twitter and reddit I am very aware that I mostly only dwell online in [near] echo chambers. It makes me cautious.
Its not just echo chambers that are a problem for society, but the way AI algorithms use that to make you more predictable to them. Its the outcome of targeted marketing.
The algorithm tries to make you more predictable to it by trying to fit you into one of its categories. The boys polarised people to simplify targeting them. Its not even companies.
Its a little more than that I think. Its interesting that they end up influencing our beliefs simply to make us more predictable to them. They give you narratives to push your belief.