I realized that it would essentially act as if it believed that the measurement would come out 0 with probability 1.
Yes.
The fact that it would fail to take into account the explosives in this calculation seems to make little difference to the eventual outcome.
Little difference—but maybe some. Maybe it will neutralise all the other countermeasures first, giving us time? Anyways, the explosive example wasn’t ideal; we can probably do better. And we can use indifference for other things, such as making an oracle indifferent to the content of its answers (pipe the answer though a channel that has a quantum process that deletes it with tiny probability). These seems many things we can use it for.
Yes.
Little difference—but maybe some. Maybe it will neutralise all the other countermeasures first, giving us time? Anyways, the explosive example wasn’t ideal; we can probably do better. And we can use indifference for other things, such as making an oracle indifferent to the content of its answers (pipe the answer though a channel that has a quantum process that deletes it with tiny probability). These seems many things we can use it for.
Ok, I don’t disagree with what you write here. It does seem like a potentially useful idea to keep in mind.