I doubted whether it would be a good use of time to read Michael Lewis’s new book Going Infinite about Sam Bankman-Fried (hereafter SBF or Sam). What would I learn that I did not already know? Was Michael Lewis so far in the tank of SBF that the book was filled with nonsense and not to be trusted?
Yud loves to go on about how the map is not the territory, to the extent that his cult followers think he coined the phrase, but he is remarkably terrible at understanding which is which. Or, to be a little more precise, he is actively uninterested in appreciating that the question of what to file under "map" versus "territory" is one of the big questions that separate the different interpretations of quantum mechanics. He has his desired answer, and he argues for it by assertion.
He's also just ignorant about the math. Stepping back from the details of what he gets wrong, there are bigger-picture problems. For example, he points to a complex number and says that it can't be a probability because it's complex. True, but so what? The Fourier transform of a sequence of real numbers will generally have complex values. Just because one way of expressing information uses complex numbers doesn't mean that every perspective on the problem has to. And, in fact, what he tries to do with two complex numbers — one amplitude for each path in an interferometer — you can actually do with three real numbers. They can even be probabilities, say, the probability of getting the "yes" outcome in each of three yes/no measurements. The quantumness comes in when you consider how the probabilities assigned to the outcomes of different experiments all fit together. If probabilities are, as Yud wants, always part of the "map", and a wavefunction is mathematically equivalent to a set of probabilities satisfying some constraint, then a wavefunction belongs in the "map", too. You can of course argue that some probabilities are "territory"; that's an argument which smart people have been having back and forth for decades. But that's not what Yud does. Instead, through a flavor swirl of malice and incompetence, he ends up being too much a hypocrite to "steelman" the many other narratives about quantum mechanics.
That blog post irritates me in multiple directions every time I am reminded of it. The wrongness is so layered that any response I attempt degenerates into do you even Bloch sphere, bro before I give up and find something more worthwhile to do with my life.
I read War and Peace but have only vague memories of it, because I read it in eighth grade. We had an "accelerated reader" program, you see, in which we were supposed to read books and then take quizzes on them to accumulate points. The longer books counted for more. Nearly all of the list we could pick from looked incredibly boring, so I decided to get a year's worth of points in one go.
If you spend as many words as Yud does, you could actually teach quantum mechanics. But his goal isn't to teach physics; it's to convince the reader that physicists are all wrong about physics. It's cult shit disguised as a science lesson.
15-ish years ago, I was doing a lot of principal component analysis and multi-dimensional scaling. A standard exercise in that area is to take distances between cities, like the lengths of airline flight paths, and reconstruct a map. If only I'd thought to claim that to be a world model!
When I was an undergrad at MIT, I knew (not terribly well) the people who invited him to "debate" Time Cube there. He came to a low-key student party; someone tried to teach him the game of go because, you know, squares. The whole thing seemed funny at first and then vaguely mean-spirited and exploitative, so I blew off the "debate" itself. What sticks with me most after all these years are the vibes. He was genuinely happy to be there, a little perplexed and stand-offish among all the college kids... and on some level beneath that, wounded and angry.
Of the odd people in our orbit, Gene Ray was much less genial than Love 22, the street entertainer/numerologist from Key West who showed up for baseball games and who delighted in showing off his passport, which gave his legal name as "LOVE XXII". The Roman numerals meant that he was royalty in Europe, he'd say.
blakestacey @ blakestacey @awful.systems Posts 51Comments 1,275Joined 2 yr. ago
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