All journalists don't like to be second, but most don't get a say (they work in quantity not quality).
Journalists need exclusives, just re-hashing an existing story doesn't offer a compelling reason to the reader to choose your news outlet.
So the top-tier outlets will only want to spend their column inches and reader attention on the stories that give a compelling reason for them to continue returning... that is, exclusive stories and additional depth into breaking news.
People are naturally averse to being redundant when they're conscious of it. If the work has been done, why repeat? As a writer, I dislike writing things that have been written: if I don't have something new to say, why say it?
(There are good reasons to repeat, e.g. practice, but that doesn't apply here.)
All journalists don't like to be second, but most don't get a say (they work in quantity not quality).
Journalists need exclusives, just re-hashing an existing story doesn't offer a compelling reason to the reader to choose your news outlet.
So the top-tier outlets will only want to spend their column inches and reader attention on the stories that give a compelling reason for them to continue returning... that is, exclusive stories and additional depth into breaking news.