Qin Feng was not Xu Qing's underling. If he went to Xu Qing, things might be solved quite quickly. However, this would not feel as good as him handling things on his own.
Qin Feng was not going to rely on anyone for every small, meager crap thrown his way.
And not only that, Qin Feng could use this newly acquired "wanted" status and venture to the Dark Coalition. And he actually gained a lot from going to that dreadful coalition's territory.
After hearing Qin Feng's answer, Xu Qing saw the calm demeanor on Qin Feng's face. Xu Qing could not help but to feel that Qin Feng had a disdain for the Human Alliance so much so that he thought seeking his help was not worth it.
Nonetheless, Xu Qing continued on, "We must take out all these bad apples in the alliance. If we let them roam around freely, there would be more and more good men like you being forced out."
