+The change in other agents' behaviors elicited by [sending the signals](https://www.lesswrong.com/posts/4hLcbXaqudM9wSeor/philosophy-in-the-darkest-timeline-basics-of-the-evolution) of a different type is so dramatic specifically [_because_ it's a rare, off-equilibrium play](https://www.lesswrong.com/posts/YptSN8riyXJjJ8Qp8/maybe-lying-can-t-exist).
+
+https://www.lesswrong.com/posts/yLcuygFfMfrfK8KjF/mutual-information-and-density-in-thingspace
+
+If there were much more probability-mass just on either side of a line people are using to make predictions and decisions, then _the line wouldn't be there_.
+
+
+[TODO research—
+https://en.wikipedia.org/wiki/Bias%E2%80%93variance_tradeoff
+> Gerd Gigerenzer and co-workers [...] that the human brain resolves the dilemma in the case of the typically sparse, poorly-characterised training-sets provided by experience by adopting high-bias/low variance heuristic
+]