I personally perfer the theory that ghouls may enter a hibernation state in confined spaces for a few months at most, that's how Coffin Willie survived. Billy though... I just shrug that off as a wild wasteland experience, maybe an elaborate prank or test divised by some shady group.
Some real brain power at work here. @Bethesdaretconman in the future when starting a new thread try priming the discussion with a question so that others have a segue to understand your request.
I thought it was self explanatory that this thread was for discussing ghoul retcons and theories. Sorry.
Very well, here you go: http://www.nma-fallout.com/threads/...ings-relating-to-post-necrotic-humans.216609/ http://www.nma-fallout.com/threads/...etter-compared-to-older-fallout-games.205628/ http://www.nma-fallout.com/threads/ghoul-lorebreaking.205187/ I believe these threads may satisfy your craving for knowledge.
Pete Hines confirmed Kid in the Fridge as "a quest that was made to be fun", because quests that absolutely wreck events of previous games are "fun" now. I wish it was a Wild Wasteland event.