[PM stares at the girl for a moment, as though it was such an obvious question that it was weird to even have to answer it. That or she momentarily fell asleep with her eyes open, one of the two.] ... oh, sorry. Well, simply put, Acumen is a far greater threat than Sentience.
Sentience possesses emotions and empathy, which is a preferable asset to Acumen's cold and uncaring demeanor. We have a better chance of working with her than with Acumen.