In isolation, it's a very naive, oblivious, and incurious stance.

Taken alongside the rest of the content, it's a rejection of the idea that there is systemic bias, and much of his memo is dedicated to ways in which that bias can be propagated and solidified.

At best, the memo paints Damore as someone who is radically uninformed and parroting old and invalid talking points that others have given to him. At worst it implies that he knows what he's doing and is trying to dismantle processes and culture that are improving women's access to the workplace.