What's the role of thought? There is one perspective where we are bottlenecked by intelligence. Yet vast majority of intelligence is spent on entertainment: the intelligent are underemployed Are we perhaps already awash in surplus intelligence? If so AI might matter less.
and the trouble with complex systems is, most optimizations that aren't specifically about reducing complexity make them more complex - and smart insiders are especially likely to do this because they don't feel the pain of the complexity as much as outsiders