Yeah but there are other times when the ideals do not run counter to her father and she is at least passively on board with the whole "wipe out most of the world's population" thing. And the last two seem like pretty shallow reasons, I would think the rest of the package would outweigh them.
Even in the bronze age, Dick Grayson was like "their opening salvo was kidnapping me from my dorm room to test you into being worthy, what the f*** are you even doing?". Morrison's take seemed like the inevitable instance of "reality ensues."