I feel that the main issue with the rationalist crowd is that they live too much in the space of rationality, intelligence and abstractions, but not enough in reality.
This leads to an outlook where everything must, almost axiomatically, be intelligible; reality is subordinated to intelligence; and no matter what is real, intelligence can prevail upon it and bend it to its will. Whereas I would argue reality is actually pretty resilient to intelligence -- sufficiently chaotic systems are largely unintelligible, the distribution of energy and resources is fixed and can't be magicked into being, and intelligence appears to be most effective when there is a clear observable feedback loop to keep it on track, which is an external bottleneck.
So it's not necessarily specific predictions that are off, but the implied consequences of these capabilities. Yes, these systems are uber smart, but uber smart people are rarely particularly powerful, so... does it matter? It depends on how powerful a tool you think intelligence is, and I think rationalists, and most of us to be honest, overestimate it.
This leads to an outlook where everything must, almost axiomatically, be intelligible; reality is subordinated to intelligence; and no matter what is real, intelligence can prevail upon it and bend it to its will. Whereas I would argue reality is actually pretty resilient to intelligence -- sufficiently chaotic systems are largely unintelligible, the distribution of energy and resources is fixed and can't be magicked into being, and intelligence appears to be most effective when there is a clear observable feedback loop to keep it on track, which is an external bottleneck.
So it's not necessarily specific predictions that are off, but the implied consequences of these capabilities. Yes, these systems are uber smart, but uber smart people are rarely particularly powerful, so... does it matter? It depends on how powerful a tool you think intelligence is, and I think rationalists, and most of us to be honest, overestimate it.