I don't know enough about the interworkings and prefer to think that its magic instead. Whatever happened the magic went poof.
I have asked for more pictures but this is what they sent me.
I will probably be by at some point to document the carnage. I still want to know what causes this? Could it have been too much flex on a stock rig at Tray Mtn. I rolled Tray several times stock and never had an issue. My motives are selfish and I want to know if I need to beef up the rear driveshaft etc.