Just how drunk are they? That was a very sensible conversation between the wasted.
Anyhoo, I agree that Yang Ruping needs to go, but they need to do it smart. If you've got a corruption problem with factions of criminals all competing with each other, the classy way to deal with them is to turn them against each other. Steal opium from the foreigners, blame it on Yu Jinping. Fake an attempted kidnapping and frame the known human trafficker. Make sure Bixing Hall stays clean.