Of course you'd say that, you'd embarrass your namesake if you acknowledged the error in your bias. What kind of drugs would anyone be on to think the writers were aiming for Barbara to be a rational character? I could tell early that she was descending into madness just like the other villains.

Barbara's descent into madness was planned from the start. She is becoming another of Gotham's insane villains, and just because she will give birth to Batgirl doesn't mean it will be Jim's. Jim and Leslie could adopt Barbara's baby to keep her safe from her insane mother.