Earlier quoted context omitted.
How would it be lethal? Please specify. What would that theoretical entity be able to do that hasn't been done many, many times before?
Before we discussed how important security was, we got insurance, we made libraries and products, we used compliance software, etc. Except how honest were we about all that stuff? How much risk was actually in the air, and what was keeping us accountable on security in either direction of over or under-investment? Now a reckoning is here. The potential to be attacked might actually translate to being attacked.
What will the AI do that hasn't been tried before?