In the early 00s, I regularly used to drive between the south-east and south-west of England, and one of the cut-throughs to avoid the worst motorway is a town named Bracknell.

For years there was a prominent building on that route for a company whose name I cannot remember, but the tagline on their sign was "The XML Company". If that was happening in Bracknell, I can only imagine how crazy the valley was...

Worrying thing is 20+ years later, I'd take XML over YAML without hesitation...