Both can be true.

-Trump is wrong for the way he talks to members of the media at times.

-Members of the media are wrong for letting their hatred for Trump manifest in the way they do their jobs. (Acosta is a joke)

Obviously, the two serve only to

exacerbate the situation.==============================

And yes, there is bias in the media and sometimes it goes too far.

But the prevailing Conservative American perception of how biased most journalists are is heavily skewed by their own self serving bias, hyper stoked by Trump, Fox News, etcetera for their own purposes. 

This is a major part of the sickness Trump as both exploited and greatly amplified.