I wouldn't say that. I'm on a team that's doing reconstruction: glia are included. Astrocytes have a massive surface area, so their meshes are harder to analyze, but we have them along with oligodendrocytes and some possible microglia.

I would caution that the connectome is like the human genome. Both are very useful, but both came with a lot of hype that it would solve everything. We have connectomes for things like C. Elegans and we're still unsure about neuronal computations within them.

This is one of the reasons I have doubts when claims are made that we're anywhere close to AGI: the brain in vivo is incredibly parsimonious. Almost everything seems to be involved in information processing, down to sub-cellular machinery.

I have a huge interest projects to accurately map and model the neuronal structure of the brain, but I suspect at some point they will reveal how much further fractal complexity there is to the human brain than we have ever imagined which we are yet unable to model.

Not to mention the myriad other processes involved, known or not

Not so much faulty as incomplete. There is still value in a partial picture.