[mannykannot]

"However, it is a well-documented fact that intelligence — as measured by IQ, which is debatable..."

>>sufficient number of communicating, above-average intelligent agents could expand the intellectual environment

>Haven't we already got that, with the internet?

Up to a point (with all the intelligent agents being human, as we don't have AGI), but it would be rather surprising if what we see now just happens to be a hard upper limit.

I am not necessarily convinced by all of the points you raise, but they are certainly reasonable in the context of arguing that singularity-like events are by no means inevitable (a point of view that I share). What the author is claiming, however, is that it is impossible, which means that he has imposed on himself a burden of proof (that goes beyond plausibility) for a number of conjectures.