Many were willing to follow Tai Shichen into Starfire, and all those attending the meeting at the Steel Flame Furnace eventually signed the documents.
They were willing to sign and ultimately 'unite' mainly due to the changes in the objective environment.
In the past, before the unified local government system of the Empire collapsed, there were inherent conflicts among the various forces.
Previously, at least there was an order of the Empire that suppressed the conflicts from easily erupting.
But after the catastrophe, the isolation brought enormous disaster, not only leading to various crises like Aliens, Chaos, Cultists, and rebellions but also nearly incapacitating the Space Domain Government and Star Domain Government. These local governments either nominally ceased to exist after decades of turmoil, or they evolved into a single local force, losing control over other forces initially under their jurisdiction—this situation was more common.
