Besides the one’s with extremely low likelihood (being handed SI by the simulators of our universe, or aliens find it first.)
However this may be an artifice of Bostrom’s construction. If you partition the space of possible progress in a way where one of the categories captures “non of the above”, then it only seems as if the area has been searched.
Besides the one’s with extremely low likelihood (being handed SI by the simulators of our universe, or aliens find it first.) However this may be an artifice of Bostrom’s construction. If you partition the space of possible progress in a way where one of the categories captures “non of the above”, then it only seems as if the area has been searched.