It's pretty clear that the hydrogen bomb is, in the sense you give, "immoral". Sure, you can come up with complex, hypothetical scenarios where it has value, b

It's pretty clear that the hydrogen bomb is, in the sense you give, "immoral". Sure, you can come up with complex, hypothetical scenarios where it has value, but fundamentally it has but one purpose, which is to murder millions of people. In most moral systems, murder of one person is immoral, never mind millions.