The problem is journalists present rumour, opinion and speculation as fact.
Then editors and sub editors have to come up with a front and backpage that will bait the public into buying the paper or clicking the webpage, that gives them revenue.
With 24 hour news you get even more rumour and speculation as there isn't enough real news to keep things churning.
The other thing that has shifted is opinion writers have become journalists not just in sport but especially in politics.This leads people with a particular viewpoint to put their view as fact rather than opinion.Although this gives former players and coaches a reliable income spriuking what should have been. Mondays Experts.
The AFL have structured themselves to own the sports pages every day of every year, this causes even more opinion rumour and speculation.