https://pressgazette.co.uk/comment-analysis/national-press-b...
And under work-for-hire arrangements, putting your name on something that someone else wrote is not even necessarily incorrect, either. Not every case of reprinting stories in a newspaper is a big reputable newspaper printing a story by a big reputable news syndicate who is licensing the story to multiple customers.
I write copyrighted material all day, but since it is for hire, the person who has hired me owns the copyright to it, and puts their name on my work. And US law provides no right for me to be attributed.
I appreciate the criticism of CNN in this case, but I just don't think this is somehow an egregious outlier in the history of media practices.