Money is the root of all evil, and food is the bird's downfall.
When surviving became a problem, for the sake of survival, what else was there to be concerned about?
With no strength to truss a chicken, yet too afraid to die, committing crimes was out of the question. The only option left was to think of crooked ways to make money.
Knowing what Wu Jie liked and that he wasn't afraid of authority—he dared to confront anyone.
Even Perrio had been infuriated into fainting twice. Who else would he not dare to confront?
Most importantly, Wu Jie wasn't a sycophant; he wouldn't reveal secrets and betray Xu Feng, who provided them.
He was upright and strong-willed, having brought down the Kong Family of Liuli City, naturally not be coerced by power and wealth. Cooperation with him was absolutely safe.
So...
Once Xu Feng was involved, he was all in, ruthless to the end.