I'm not saying they're all horrible or discrediting them, it's a perfectly valid question; how many people who are raised by narcissists become narcissists? Sometimes a cycle of abuse is broken and sometimes it isn't.
Who is to say the m.i.l. is being self serving? Her account differs entirely from her d.i.l.'s which is to be expected but that doesn't mean the m.i.l. is lying anymore than the d.i.l. is.
There are numerous accounts from EP's, are they all self serving because it's their EAC and/or their EAC's partner who are at fault and responsible for the estrangement?
With so many accounts that discredit EP's and EGP's, why is it so shocking and unbelievable to even consider that it isn't always their fault?