In certain media but in other media the opposite it true. The top cable news network for the last decade has been conservative (Fox obviously) and conservative media absolutely dominates talk radio and it also has a robust Internet presence.
Not if you know how to spin it. Like him or not, Trump is unquestionably good at getting 'bad' press to work in his favor. Any power, positive or negative, can be harnessed if you are clever enough. To what end, well, thats a different discussion.