Firebombings cause a lot of ash with little boom. And TFA talked about a nuclear winter from burning cities when using a hundred Hiroshima bombs, not the US/Ru

Firebombings cause a lot of ash with little boom. And TFA talked about a nuclear winter from burning cities when using a hundred Hiroshima bombs, not the US/Russian arsenal. We ought to have learned about those effects, just from WW II.