They were ok risking him being killed in order to obtain the expected benefit. If you beat someone killing them is a predictable risk. It constitutes merely a lesser crime in the same category.
The article uses this picture: https://static.techspot.com/images2/news/bigimage/2019/03/20...
Google reverse image search for that suggests a search term of "fbi swat team" and first result is a wikipedia link to "FBI Special Weapons and Tactics Teams". The picture is from the Wikipedia page on swatting which says it is "an FBI SWAT team during training". https://en.wikipedia.org/wiki/Swatting
If Barney Fife showed up to kindly ask you if you were ok you would have been swatted just not very effectively.