except karmic siding, Yukkuris like her are plainly wicked, evil arrogant and many other bad things, plus they don't let other easy yukkuris take it easy.
Plus some humans may have actual power to affect in your life if you don't "serve them properly" yukkuris? unless your boss is a ultra zealous retardo PETY type, he'll give a damn and even go "Good Job" if you kick the manjuus out (whatever this includes killing them or not)