 Well, I don't know if it's so much a lack of memory retention as it is the fact that, for a collective hive-mind, the Borg are extremely fucking arrogant. They've got nigh-endless weapons covering the entire surface of their ships, adaptive shielding, regenerative ships, and has as about many drones on one cube as the population of my hometown. A single vessel can wipe out a whole starfleet and conquer a planet alone. They can afford to just attack straight on in nearly every case because a scan of the ships in front of them warranted just such an approach. Th