They certainly do take advantage of complex interactions. The perfect example of that is ephaptic coupling, where neurons interact with each other through the l

They certainly do take advantage of complex interactions. The perfect example of that is ephaptic coupling, where neurons interact with each other through the local electrical fields they induce -- and stuff like this is lost in modelling a single neuron: https://en.wikipedia.org/wiki/Ephaptic_coupling https://en.wikipedia.org/wiki/Ephaptic_coupling