> This is creating an extremely fragmented society, all creating their own bubble of what they want to see

It has always been thus. E.g. right wingers did not use twitter back in 2021.

I will grant it's getting worse though... for instance, the battle here on hackernews between left and right has strongly intensified and it looks like the left will win the downvote/flagging war and the right will stop posting in (and reading) political threads.