Familiarity with teammates may factor into that as well, partially from having unspoken frames of reference to infer from.
It is unmistakable how much the difficulty level ramps up when you're paired with those of an unlike-nature to you. Sometimes that level of abstraction is taken way outside of generic context clues.
It is but we've also had decades of practice. What scares the most about AI isn't how advanced computers can become but how slow we are to learn in comparison.
Actually in mind when I was mentioning that was playing a game I coined "foot pictionary" (we've also played "blind pictionary") with kids ages ~6 to 10yo.
We use very generic "words" (eg egg, tree, bike, cloud, plate).
When you're using your foot to draw you really have to distill down to the essence of the item. Yes there is a deal of guessing but in some way the image (however unlike the object) has to have some element of the Platonic nature, if you will, of the object being drawn.