[anigbrowl]

Your point is good but the example is not great. The damage from those Japanese bombs was minimal; one of them killed a few people in Oregon. Even if the Japanese had had reports on every incident they would likely have decided it was not worth it.

[vrosas]

If the damage was large, it would be hard to cover up. And if it was very large the US would seek to minimize it. “A few people killed” might be interpreted as “probably a ton of people killed” by the enemy and they keep doing it. Zero information means you can’t argue the case one way or the other, and in those cases the project gets scrapped.