1. "That's because a human is not 1 microphone." true 2. "It's 2 microphones, with a known distance between the 2" 3. "which allows realtime 3d positioning and isolation of sound to an area"

#3 does not follow from statement #2.

The missing element is that 3D localization is due to the pinna.

https://royalsocietypublishing.org/doi/10.1098/rspb.1967.005...