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xkcd #3258: Plate Flip
(imgs.xkcd.com)
Title text:
It's great for exfoliating your skin, bones, houses, cities, landscape, etc.
Transcript:
Transcript will show once it’s been added to explainxkcd.com
Source: https://xkcd.com/3258/
That's about right though - Christianity is generally a couple of decades behind while making up excuses
(was raised in some silly churches)