Well, it is a joke. There's a genre of Twitter jokes based on "men are better at spatial visualization" studies where they imagine men entertaining themselves by rotating objects in their heads as a hobby.

I think the joke inventor made up a philosophy behind it to stop the VC guys from turning it into a culture war thing. He also put crypto guys under "wordcels" not "shape rotators" because they like writing whitepapers.

https://roonscape.substack.com/p/a-song-of-shapes-and-words