4 is based on the importance of simply noticing and understanding risks, and on data showing that increased intelligence and education are associated with more enthusiasm for public goods.
5 and 6 depend on the timescale, with the earliest enhancements being fairly limited.
4 is based on the importance of simply noticing and understanding risks, and on data showing that increased intelligence and education are associated with more enthusiasm for public goods. 5 and 6 depend on the timescale, with the earliest enhancements being fairly limited.