3V0LV3 does not start with a humanoid frame. She was first just a vessel holding the robotic worms with the basic commands of Evolve! And Destroy! She sought to perform that command sneaking up on unsuspecting victims.

Now that she has a mind and thoughts of her own, does she look back at what she's done. She now knows what she did was wrong, but if she never evolved to have feelings would she have never turned on The Mother?