This begs the question, why does it annoy you so much?
ARRRGGGGHHHHH!
Alas, I don't believe the proper usage of that phrase is addressed in
The Elements of Style.
As to "professionals" in journalism, from what I have read in newspapers and other mainstream media outlets, the ability to form a coherent sentence with proper syntax and punctuation is no longer a requirement for obtaining a Journalism Degree or job.
When my daughter and I took an Advanced Fiction course at the local college, we were both amazed at what some of these "advanced" students didn't know. If this was the advanced class, I would have hated to read anything by the remedial class. We had some terrific writers in the class, and some that needed to go back and study their basic composition textbooks.