"By not publicizing it, it not only saves the City from embarrassment but also helps cover up the martial art sects involved not having to worry about getting attacked by other martial art sects."
"Second, by painting a target the city will launch an attack on the Blood Crossbow gang instead of the martial art sects. Even if the Blood Crossbow gang was destroyed it wouldn't do much to harm the martial art sects."
"Lastly, if the city did announce that the martial art sects did steal the legendary demon corpse, it would increase the fame and appeal of martial art sects to the martial artist that hasn't yet joined a martial art sect." River finished her thought process.
Yoze felt that River's and the City's thought process of the situation made sense. It also explained why the martial art sects didn't feel an urgency to kill every last person to stop information leaking.