Cyan comments on Rationality Quotes September 2014 - Less Wrong
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An interesting quote. It essentially puts forward the "reasonable person" legal theory. But that's not what's interesting about it.
The shipowner is pronounced "verily guilty" solely on the basis of his thought processes. He had doubts, he extinguished them, and that's what makes him guilty. We don't know whether the ship was actually seaworthy -- only that the shipowner had doubts. If he were an optimistic fellow and never even had these doubts in the first place, would he still be guilty? We don't know what happened to the ship -- only that it disappeared. If the ship met a hurricane that no vessel of that era could survive, would the shipowner still be guilty? And, flipping the scenario, if solely by improbable luck the wreck of the ship did arrive unscathed to its destination, would the shipowner still be guilty?
This is not the whole story. In the quote
you're paying too much heed to the final clause and not enough to the clause that precedes it. The shipowner had doubts that, we are to understand, were reasonable on the available information. The key to the shipowner's... I prefer not to use the word "guilt", with its connotations of legal or celestial judgment -- let us say, blameworthiness, is that he allowed the way he desired the world to be to influence his assessment of the actual state of the world.
In your "optimistic fellow" scenario, the shipowner would be as blameworthy, but in that case, the blame would attach to his failure to give serious consideration to the doubts that had been expressed to him.
And going beyond what is in the passage, in my view, he would be equally blameworthy if the ship had survived the voyage! Shitty decision-making is shitty-decision-making, regardless of outcome. (This is part of why I avoided the word "guilt" -- too outcome-dependent.)
The next passage confirms that this is the author's interpretation as well:
And clearly what he is guilty of (or if you prefer, blameworthy) is rationalizing away doubts that he was obligated to act on. Given the evidence available to him, he should have believed the ship might sink, and he should have acted on that belief (either to collect more information which might change it, or to fix the ship). Even if he'd gotten lucky, he would have acted in a way that, had he been updating on evidence reasonably, he would have believed would lead to the deaths of innocents.
The Ethics of Belief is an argument that it is a moral obligation to seek accuracy in beliefs, to be uncertain when the evidence does not justify certainty, to avoid rationalization, and to help other people in the same endeavor. One of his key points is that 'real' beliefs are necessarily entangled with reality. I am actually surprised he isn't quoted here more.
Pretty much everyone does that almost all the time. So, is everyone blameworthy?
Of course, if everyone is blameworthy then no one is.
I would say that I don't do that, but then I'd pretty obviously be allowing the way I desire the world to be to influence my assessment of that actual state of the world. I'll make a weaker claim -- when I'm engaging conscious effort in trying to figure out how the world is and I notice myself doing it, I try to stop. Less Wrong, not Absolute Perfection.
That's a pretty good example of the Fallacy of Gray right there.
How do you know?
Especially since falsely holding that belief would be an example.
Lumifer wrote, "Pretty much everyone does that almost all the time." I just figured that given what we know of heuristics and biases, there exists a charitable interpretation of the assertion that makes it true. Since the meat of the matter was about deliberate subversion of a clear-eyed assessment of the evidence, I didn't want to get into the weeds of exactly what Lumifer meant.