Human intelligence counts as “gained characteristics not shared by the others”.
I think you’re thinking that it doesn’t count as a lot of divergence, but “a list of divergences with few items” doesn’t mean “not a lot of divergence”. Human intelligence has an effect on the environment and capabilities of humans that is equal or greater than the effect of the differences between birds and reptiles.
Human intelligence counts as “gained characteristics not shared by the others”.
I think you’re thinking that it doesn’t count as a lot of divergence, but “a list of divergences with few items” doesn’t mean “not a lot of divergence”. Human intelligence has an effect on the environment and capabilities of humans that is equal or greater than the effect of the differences between birds and reptiles.