I echo your sentiments - That's precisely what I thought after reading those same books. I've speculated that his excessively positive stance might be - in order to cater to an uber-optimistic crowd of humans (high percentage of entrepreneurs in that cohort) similar to but exactly antithetical to any doomsday-prophet - a bloomsday-prophet, if you will.

Nothing wrong with that, though I tend to prefer more balanced and thoughtful opinions that would think of multiple sides (even speculate on some partially-unknown stances)