Why would one expect scientists to have encountered such attractors before even if they exist? As far as I know there hasn’t been much effort to systematically search for them, and even if there has been some effort in that direction, Eliezer didn’t site any.
Nevertheless, the lack of exposure to such attractors is quite relevant: if there was any, you’d expect some scientist to encounter it.
Why would one expect scientists to have encountered such attractors before even if they exist? As far as I know there hasn’t been much effort to systematically search for them, and even if there has been some effort in that direction, Eliezer didn’t site any.