Here is a scene where Eggman is observing a recording of Xehanort and Demigra's attack in G-Merl's Eternal Quest.
[Dr. Eggman is seen observing a recording of Xehanort and Demigra's attack.]
Dr. Eggman: Those idiots! They're destroying everything! How can I take over the city and build the Eggman Empire if there is no city?! I'm at my limit! I have no choice! Send in the Eggman Fleet! CHARGE!
[Eggman points to his Egg Pawns and they start running away]