If your brake lines burst, will you be able to coast safely to a stop?
Every piece of technology has a variety of failure modes, some more likely than others. FSD is not likely to take aim at a pedestrian and floor it, just like your brakes aren't likely to explode, and neither of you are irresponsible for making those assumptions
The difference is brake lines are inspected and understood by humans. Failure to reasonably maintain them is illegal.
No single human fully understands these AI models, and they can change daily. Yet Tesla is putting them in control of multi-ton vehicles and leaving all liability on humans with worse reaction time and little to no understanding of how it works or tends to go wrong.
Every piece of technology has a variety of failure modes, some more likely than others. FSD is not likely to take aim at a pedestrian and floor it, just like your brakes aren't likely to explode, and neither of you are irresponsible for making those assumptions