Little did they realize Jing Shu was leading them exactly where she wanted. The doubts Jing Shu voiced weren't necessarily what the others were thinking, but once she articulated them, they sounded surprisingly plausible. Thus, without realizing it, they fell for Jing Shu's trap.
Secondly, the results were about to be revealed. Since Doctor B was so confident, it definitely couldn't be fake; otherwise, he would just be making a fool of himself later. So, with Jing Shu inside as a witness, them watching from their side, and considering Doctor B's reputation, they were mostly convinced.
"Gentlemen," one began, "we should start discussing the price for the doctor to help us multiply our food and crops."
"I hear the Water of Life is very difficult to develop, and the supply is surely limited. We should move quickly to secure some."
