Even though Commander Gesilian recognized the Tracking Mercenary Group, mercenaries couldn't participate in the round table meeting. It was a place where things got pretty raw. Even if they heard, it was meant for other ears—and also an excellent method of evading responsibility.
Like how the situation of a zombie biting and taking down a soldier while a decision gets deferred from platoon leader to company commander to battalion commander to regiment commander is very convincing to anyone who's served—it was to avoid problems when information mercenaries shouldn't know got in.
In the Southern Kingdom, while countless beasts and monsters could wreck small or large villages, there was no war. The more peace stretched on, those with a lot to lose liked their rights just fine but hated responsibility.
It was clearly because they didn't know the terrible consequences of such behavior.
