The speaker considers the potential upper bound on sensor count for visual intelligence astronomical and says current intelligence is far below it.

“far are these sensors away from each other such that the speed of light to communicate the content from all of them cannot like get to a central brain to actually process the visual intelligence right and so now you're thinking in along did i mention in the space of vision the dimension of numbers of sensors is like the upper bounds are quite literally and figuratively astronomical and we are super far away from any intelligence intelligence”