Many have been quietly pushing this for the past few years in relation to things like the paleo diet, etc. I’ll also note that Nassim Nicholas Taleb has mentioned something like it frequently (since you mention flaneuring below).
He’s one of the people I’ve noticed using the word (in his case as a title which he might put as a profession on his business card) in the past 20 years who seems to have brought it to the social forefront to the point that many of your other references have been influenced by it.
I think there’s a lot to be learned about the overarching idea, so I’m interested to see what you come up with on an extended survey of the word as you progress.
Most of us own books we’ve read and books we haven’t. Kevin Mims considers the importance of owning books we’ll never get around to finishing.
Skin in the Game: Hidden Asymmetries in Daily Life. By Nassim Nicholas Taleb. Random House; 304 pages; $30. Allen Lane; £20. IN 2001 Nassim Taleb published “Fooled by Randomness”, an entertaining and provocative book on the misunderstood role of chance.