The housing is also really, really important: the Silicon Valley, San Francisco and New York etc are some of the most productive parts of your country. If more people were allowed to live there [0], your economy could grow a lot. A bigger economy directly translates to lives saved.
To give a simple example: your highway engineering people work with a value of life of something like x million USD. Any improvement to safety that costs less than x million USD per life saved gets implemented. The value of x gets set in vague relation to how rich society is.
[0] No any one individual is directly barred from moving to SF, if they pony up enough money for rent; but the NIMBY climate effectively sets a limit on the total number of people allowed to dwell there.