Well of course..It's the echo chamber effect that's been discussed since the 90's.

I didn't read the article because, frankly, I have no interest in Zuck's pointifications​ ... He created a 900lb gorilla and sometimes the beast is gonna wreck havoc. Nothing with the deep social significance of FB can skate through culture without ripping up a few roads.

I think it's much ado about nothing and is nothing but the new normal.