Of all LLMs you could’ve used, why grok?

Fair, good point :)

This doesn’t really have anything to do with critical thinking, it’s just that our brains work on estimations and approximations, although experience can balance it out.

Try this: draw a martini glass (inverted cone), and draw a line where you think it would be half full.

It will be wrong. Numberphile - Cones are messed up (YT)

I think these were final, retail versions that were being prepared for physical distribution ahead of release