No. Post-mortems of these types of disasters usually reveal that warning signs were visible if anyone cared to look or act.
One example happening now: extreme, pervasive sleep deprivation in the US Navy. We've already had disasters that could've been prevented if someone talked to even a single sailor and realized how dangerous that is.
Another example is self-driving cars. We just had a Tesla crash, and yet Tesla will not be regulated properly and will likely kill someone soon. Arguably, they already have.
One example happening now: extreme, pervasive sleep deprivation in the US Navy. We've already had disasters that could've been prevented if someone talked to even a single sailor and realized how dangerous that is.
Another example is self-driving cars. We just had a Tesla crash, and yet Tesla will not be regulated properly and will likely kill someone soon. Arguably, they already have.