Zhao Changhe sat in the outer hall chiefly to avoid the tedious formalities and feared facing the pressure of the Chaotic Scene inside. However, there was another hidden purpose:
He didn't want to directly stand in the eye of the storm, arguing whether healing someone was feasible or whose face it would slap. He waited for others to treat or debate the treatments first. After synthesizing others' analyses from the sidelines, he would feel more confident. If cornered by people like Wang Daozhong inside, it would be hard to escape; better to observe from outside where the bystander sees clearly.
Wang Daozhong must have realized it, thinking Zhao Changhe wasn't there just to celebrate a birthday. He probably intended to get involved in the aftermath, deliberately creating trouble so Zhao couldn't remain hidden; he had to be in the thick of it.
Old Wang wasn't foolish, but the cost could be high, something he probably hadn't foreseen...