That's actually not that new. I think that was part of it.
It is important to remember why cities were building highways through the fifties and sixties; why the federal government was promoting low-density suburban development and why companies were moving their corporate head offices to campuses in the country: Civil defense. One of the best defenses against nuclear bombs is sprawl; the devastation of a bomb can only cover so much area. Shawn Lawrence Otto wrote in Fool Me Twice[.]
Well sure the the obscene yields do help destroy suburbs, but another reason they exist is to ensure military targets are hit. ICBMs used to be inaccurate by a couple miles, so increasing the blast radius ensured that didn't matter. Now, ICBMs are more accurate and the world generally fields less powerful bombs.
That's actually not that new. I think that was part of it.
https://www.treehugger.com/why-sprawl-was-caused-nuclear-arms-race-and-why-matters-more-ever-today-4854403
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oh you widened your city 50 miles? i'll just stuff a few extra warheads in this here missile and make sure i saturate the whole thing 🥰
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Well sure the the obscene yields do help destroy suburbs, but another reason they exist is to ensure military targets are hit. ICBMs used to be inaccurate by a couple miles, so increasing the blast radius ensured that didn't matter. Now, ICBMs are more accurate and the world generally fields less powerful bombs.