“There is no scenario where launching a first strike makes sense. “
Actually, there is and it has been practiced for decades and still is practiced.
Interestingly, it involves stopping a Soviet advanced into Europe right through where the fighting is at this time. Of course, Russia isn’t invading Europe, but the first strike scenario is still practiced.
Bluff. Never happen.
That was why the neutron bomb was so important under Reagan, the fighting would be done on NATO soil, close to NATO cities.