>>12731914It was immediately calculated to be cost-effective the day it was proposed, it has only gotten cheaper since. A nuclear warhead costs about $300,000 in mass production, and easily delivers a megaton of energy.
PACER is quite literally the only readily economical and engineeringwise useful path to fusion power. It is 95% fusion energy even for small bombs. This solution works as engineering, it is old technology, but it is politically impossible today, due to proliferation worries and fears of use of the bomb as weapons.