[mirkonasato]

A quick search on "communication range" returns as first result a post [1] calling it a myth.

"Hollingworth was writing specifically about leadership, and in childen, but Towers extrapolates the point to claim that any kind of ‘genuine’ communication is impossible across a 30 IQ point gap"

[1] http://blogs.discovermagazine.com/neuroskeptic/2017/08/31/my...