A613: Not that ZD needs my help, but he is repeating an old adage. He did not say don’t help just that this is a domestic dispute and in those types of situations listening to one side does not give he full picture.
As for whether this falls under PIDYON SHVUIM, only Daas Torah/Poseik can make that determination. There is no mention of any Rabbonim or organizations one can go to to get information.