"Dugu Ce's face lit up with joyful surprise. 'However, this subordinate suggests that these bandits shouldn't all be Dayue defectors; we should also include some Qiuchi defectors, and we could even have Mengduo and Zulu send some men to participate...'"
In short, the bandits must not become a monolithic block.
Keeping these people mutually suspicious would also make it easier to maintain control over them.
Chapter 377