Why this fixation with Xebec being Domi Reversed lol?
It wouldn't make any sense at all.
Without Rocks going berserk in some way, Roger and garp teaming up against him does not make any sense.
He's there to save his wife and kid. The CDs are there to commit genocide. So Garp and Roger should not have "protected" The CDs against Rocks, unless Rocks went crazy.
Two options for him to go crazy are, he sees his wife die and goes insane. Or he sees his wife die, is mentally broken, imu tries to domi reverse him. But fails to gain control of him, and he goes berserk.
I am leaning towards the second option because domi reversed Rocks would actually require garp and roger teaming up. That makes sense with what we know of the gv incident.