Why has the media devoted so much of its time and resources to covering Donald Trump and his sensationalist antics rather than getting a focus on the positions that either candidate stands for

Why has the media devoted so much of its time and resources to covering Donald Trump and his sensationalist antics rather than getting a focus on the positions that either candidate stands for? Do you think that covering sensationalist behavior has goaded this new arrival to the politics scene to behave the way he does because of the unlimited media coverage?

I attached an example on the way you should answer this question, I’m not looking for a long answer, I’m looking for an accurate answer