From the perspective of the lurkers, we knew Spulla was about to get catapults and with that all of your stacks would have been destroyed, albiet with some losses taken by their units.
So from our perspective Dantski's defection wasn't jumping ship in the middle of a successful campaign, he was saving his units from total destruction.
So from our perspective Dantski's defection wasn't jumping ship in the middle of a successful campaign, he was saving his units from total destruction.