^ That or she was a Xyrillian. When we meet them in the 22nd century they demonstrate an inherently parasitic nature: they leach power from other ships, they use living organisms as part of their life support systems and they reproduce by surreptitiously impregnating others. You assimilate one of those into the collective, then her biological distinctiveness becomes part of the collective; suddenly the collective isn't merely forcibly confiscating useful technology, it's dedicated to finding increasingly more asinine ways to coexist with other life forms.