Was it clear lae'zel was with the githyanki attacking the nautiloid?
It was very clear that she was not.
I mean, if you start new game ... right at the start, Illithid comes and implant your and Lae'zel with tadpole.
Then it leaves the room, come to the helm, reveal that Nautiloid curently abowe Yartar ...
AND THATS WHEN ATTACK STARTS!