(What's worse is that it's likely not a stern belief but an excuse-based mentality... but whether or not she's a true believer, or just using that as a mask to hide herself from her own sins and regrets, I certainly agree that there is no reason in the world for Yang to listen to what she says... heck, there's no reason to consider her a mother, or family, or anyone worth knowing... she's pretty much just an opponent.)