No, it means destroying factories, power plants, bridges, railways, roadways, merchant shipping ... If you think these aren't "actual targets of military importance", think again. Where the hell do you think your food, fuel, weapons, equipment and ammunition come from? Where do you think the enemy's food, fuel, weapons, equipment and ammunition come from?
All the targets you described are legitimate targets and can be addressed using conventional precision weapons.
There have been lots of debate about our use of nuclear weapons on Japan - and I have gone back and forth on that subject myself at different times of my life - but the moment we decided that the mass murder of innocents was justified, we lost part of our soul, losing our claim of being a Christian country.