The "irrationality"[1] is the weight you put on the unknown risk of brain-harm from anaesthesia, while not appearing to assign much risk to how you get there.
How likely is it that you're going to suffer brain injury in your day to day life versus from anaesthetic?
[1] irrational is probably a not useful word here. You have real fear of real things.
How likely is it that you're going to suffer brain injury in your day to day life versus from anaesthetic?
[1] irrational is probably a not useful word here. You have real fear of real things.