Hmm... Depends on the game. I'd argue there's a difference between skill and strategy. I usually think of skill as the physical movements of a game, while strategy is the... well... strategy of it. In that case, a game like CK2 shouldn't have a skill wall. A game like Doom shouldn't have a...
Hmm... I guess you only really "get it" if you have the necessary knowledge and attachment to The Room. I mean, there are a LOT of movies like that. Saving Mr. Banks is one of my favorite dramas ever, but if you don't care about Mary Poppins, it's pretty bland.
I'm playing an Irish chief who's also a Satanist, but I've screwed up big time. I had to sacrifice a virgin and was suggested to sacrifice a member of a monastic order, so I did. Problem was, my previous leader had given her a bit of a proper fucking, so I ending up sacrificing her for no good...
Yeah... I kinda prefer the more down-to-earth design in the Bethesda-era Vaults, but I can't deny it makes for a great deterrent to attacking the Overseer.