it's also a proxy for class/gender war. she's a rich white woman, do you think if she was any other demographic she'd be able to get away with this, let alone have other white women fan girling super hard for her?
some folks legit seem to think no rich person should ever be held accountable for their crimes, especially if they are female.
plus the entire thing is insane and heinous and evokes intense emotions in pretty much everyone who hears about it.
tbh 9/10 cases in the Witcher III are just people trying to hide domestic murder behind folklore shit.