alt Hacker NewsI wouldn't mix up "neurons do one thing" with "each thing lives only in one neuron" since he doesn't claim that.
Re the first paragraph I'm not sure what you mean by "the assumption that conflates multiple concepts that to me are substantially non-overlapping are one and the same thing"
That your ability to describe something does not necessarily equate to your ability to explain something.
There are lots of examples of things that we can describe to a very high degree (life itself, for instance!) but that we do not necessarily have the ability to explain.