To be fair to the Jichang thing, for statments like that I always assume the characters are making their statment based on what they have experienced or have knowledge of, I don't think Daniel has ever seen Gun go all out before given that a holding back base HFG completely ragdolled Daniel while having a poker face on
As for the Charles thing I'd assume that while Jichang is weaker than Goo he would be a lot more reliable and make up for it with his insane BIQ and business skills
For me the worst thing is Charles Choi somehow going from struggling with Jichang to mopping the floor with basement hulk TWICE
Ig you could say the disparity is not due to stats but rather Jichang making up for the large stat gap via insane BIQ while basement hulk was getting BIQ diff'd by Charles despite the larger stat gap in his favor, though Charles did take a punch to the face from basement hulk so