It's comical how arbitrarily thrown in that first part of the chapter is. It would be whatever if this came up at some point since it makes sense enough in such a setting, but the concept just got covered as an aspect of the main plot over the past dozen chapters. And he has it happen in the exact chapter/part after that plot was resolved. Plus, it seemingly has no connection to the overall plot, we already know Dibel's people suck, and it almost exactly recycles the scenario he just did with the main group collecting taxes which is kind of lazy even.