An undertaking must be profitable to draw the attention of others. When soliciting allies, even if it's for one's own sake, Pan Shi must ensure that his allies can derive certain benefits from their actions. Otherwise, no matter whether the task is accomplished or not, if his allies don't benefit, they will inevitably harbor dissatisfaction toward him.
Now, how did Pan Shi manage to rally those allies against Zhou Tian regardless? Judging from the outcome of their combat, it was clear that the result could not have possibly satisfied Pan Shi's allies.
What is the situation now?
Although there wasn't a defeat, the fact that Zhou Tian escaped to the Main Plane while they were powerless to stop him hardly made any difference from being defeated.