Under such circumstances, if there were any slip-ups, these individuals were the real people responsible. One couldn't expect the Emperor Monarch to take the heat for them, even if he was willing, other Star Lords would not agree.
"Moreover, since you all are aware that this is to set a framework and model for the future Expansion Plan of the Heavenly Court, after everyone returns, there will be a complete replay of this incident from beginning to end. Surely none of you would want to take action under such scrutiny?" Fate Controller Star Lord reminded once again, causing a slight shift in the expressions of the many Star Lords.
If they were to commit any foolish acts during this operation, in the future they would have to lay out all their actions in front of the Gods of the Heavenly Court and many True Immortals for a review. It would truly be an embarrassing spectacle.
Not to mention these powerful beings, even any Cultivator faced with such a situation would lose all dignity.