Brainiac was a Female AI made by Jor El for studying preserving and Spreading life she herself however when Zod took Krypton she left it with kara zor el raising her as part of her "Dollhouse" program a system of collected modified city chain inhabited by beings she considers "her dolls" and treat them like her own offsprings Brainiac beliefs that love motherhood and life spreading is logical and everything against it is illogical Brainiac sees Superman as someone needing to tone down heavily.