The problem lies in the motive. News organizations are (not surprisingly) entirely motivated by profit. Breaking even is not enough. Doing well is not enough. Improving profit drastically quarter over quarter is the goal.
To do that, you cannot simply "provide news" anymore. You need conflict. You need confirmation bias. You need to create a wild, screaming echo chamber that induces panic and fear. You need conflict, even if you have to fudge the details to get it. You need to focus on some things and ignore others to increase it.
It's no longer a partisan issue. I'm 40 years old. I remember when you had to really pay attention to catch bias in the news. Do this yourself: go back and look at newsreels from the 80s and 90s. It's almost surreal. They were still biased, but presented information in a factual manner and then tossed in some emotional stuff. Many of them even... showed both sides of the argument. It's weird to watch now.
A news network simply cannot run with this format in 2018. Fox News was the leader, they were using bias, fearmongering, and propaganda almost from the start. They enjoyed very high ratings because of it. Now the other side has caught up. Because they had to.
It's a mess, but one thing is for sure: we can't trust any of them anymore. Not 100%.