Journalistic integrity is more difficult and nuanced than you can encapsulate in a one-sentence definition. "Linguistic flair" is an important part of effective communication. We're naturally used to picking up subtle hints that communicate meaning and what's important within a story (which all reporting inherently is). Stripping that out is changing the meaning of the reporting. The effect usually minimizes the impact of the story and implicitly supports the status quo. This kind of neutral fact based reporting was actually a staple of American reporting from the early 20th century, so-called "hard news". It fell out of favor in large part because it wasn't able to adequately communicate the gravitas of particularly emotional events.
To illustrate, here's another AP story on the liberation of Dachau concentration camp, chosen as a deliberately extreme example of linguistic flair being used to educate an American audience on the little-known horrors of the Holocaust being uncovered in Europe:
The U.S. 42nd and 45th divisions captured the infamous Dachau prison camp today and freed its 32,000 captives. [...] Jan Yindrich and I a few minutes later saw the same thing that greeted the soldiers -- 39 open-type railroad cars ... which went through the walls of Dachau camp. At first glance the cars seemed loaded with dirty clothing. Then you saw feet, heads, and bony fingers. More than half the cars were full of bodies, hundreds of bodies. Downward was driving a jeep along a string of cars when a soldier shouted: "Come here, quick, Colonel, here's a live one!" [...] This grisly spectacle was outside the walls of the camp -- along a widely traveled road inside the city of Dachau where Bavarians passed daily.