Except for Luoyue and Meng Hun, these two military men, whose brains are average, the remaining few have soaring high intelligence.
Despite the limitations of this era, when Jiang Pengji gave this suggestion, they already foresaw the crux of the problem, the closer it spreads the wider it becomes. Others would react to the situation step-by-step but as they took one step, they could see the consequences that would befall them at the next ten steps. They saw further and thought deeper and more holistically.
"Jin believes my lord's plans can be executed."
Feng Jin nodded in agreement, the resources they have are finite. Only by creatively manipulating the situation will there be hope for change.
Qiguan Rang and Xu Ke both concurred.
As for Luoyue and Meng Hun?
They just came to be updated and to witness the chasm in intelligence between the excellent and average people.