Yeah, I prefer her as an unambiguous hero like she mostly is in the comics, but given her origin on a villain team I think a more morally-ambigous take makes sense, especially in the MCU where she and her brother weren't just "good people on the wrong team" like in the comics.
But it's been gone over here many times that her moral ambiguity in WandaVision made sense (she controls people by accident, hesitates to do the right thing because she'll lose everything again, finally does the right thing and gives up her family) and if it had stopped there most of us doom-and-gloomers would be OK with it. But......