“So, is it rational for me to sign up for cryonics because Eliezer told me to?”
Depends. Can you offer an explanation of the reasoning that permits you to derive that action, and can you justify that explanation?
That’s what determines whether it would be rational or not. ‘Rational’ is not a property of the action, it’s a property of you and your reasons for taking the action.
“So, is it rational for me to sign up for cryonics because Eliezer told me to?”
Depends. Can you offer an explanation of the reasoning that permits you to derive that action, and can you justify that explanation?
That’s what determines whether it would be rational or not. ‘Rational’ is not a property of the action, it’s a property of you and your reasons for taking the action.