this post was submitted on 02 Mar 2026
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[–] lagrangeinterpolator@awful.systems 7 points 5 hours ago* (last edited 5 hours ago) (1 children)

I am a computer science PhD so I can give some opinion on exactly what is being solved.

First of all, the problem is very contrived. I cannot think of what the motivation or significance of this problem is, and Knuth literally says that it is a planned homework exercise. It's not a problem that many people have thought about before.

Second, I think this problem is easy (by research standards). The problem is of the form: "Within this object X of size m, find any example of Y." The problem is very limited (the only thing that varies is how large m is), and you only need to find one example of Y for each m, even if there are many such examples. In fact, Filip found that for small values of m, there were tons of examples for Y. In this scenario, my strategy would be "random bullshit go": there are likely so many ways to solve the problem that a good idea is literally just trying stuff and seeing what sticks. Knuth did say the problem was open for several weeks, but:

  1. Several weeks is a very short time in research.
  2. Only he and a couple friends knew about the problem. It was not some major problem many people were thinking about.
  3. It's very unlikely that Knuth was continuously thinking about the problem during those weeks. He most likely had other things to do.
  4. Even if he was thinking about it the whole time, he could have gotten stuck in a rut. It happens to everyone, no matter how much red site/orange site users worship him for being ultra-smart.

I guess "random bullshit go" is served well by a random bullshit machine, but you still need an expert who actually understands the problem to read the tea leaves and evaluate if you got something useful. Knuth's narrative is not very transparent about how much Filip handheld for the AI as well.

I think the main danger of this (putting aside the severe societal costs of AI) is not that doing this is faster or slower than just thinking through the problem yourself. It's that relying on AI atrophies your ability to think, and eventually even your ability to guard against the AI bullshitting you. The only way to retain a deep understanding is to constantly be in the weeds thinking things through. We've seen this story play out in software before.

Thank you for providing some actual domain experience to ground my idle ramblings.

I wonder if part of the reason why so many high profile intellectuals in some of these fields are so prone to getting sniped by the confabulatron is an unwillingness to acknowledge (either publicly or in their own heart) that "random bullshit go" is actually a very useful strategy. It reminds me of the way that writers will talk about the value of just getting words on the page because it's easier to replace them with better words than to create perfection ex nihilo, or the rubber duck method of troubleshooting where just stepping through the problem out loud forces you to organize your thoughts in a way that can make the solution more readily apparent. It seems like at least some kinds of research are also this kind of process of analysis and iteration as much as if not more than raw creation and insight.

I have never met Donald Knuth, and don't mean to impugn his character here, even as I'm basically asking if he's too conceited to properly understand what an LLM is, but I think of how people talk about science and scientists and the way it gets romanticized (see also Iris Merideth's excellent piece on "warrior culture" in software development) and it just doesn't fit a field that can see meaningful progress from throwing shit at the wall to see what sticks. A lot of the discourse around art and artists is more willing to acknowledge this element of the creative process, and that might explain their greater ability and willingness to see the bullshit faucet for what it is. Maybe because science and engineering have a stricter and more objective pass/fail criteria (you can argue about code quality just as much as the quality of a painting, but unlike a painting either the program runs or it doesn't. Visual art doesn't generally have to worry about a BSOD) there isn't the same openness to acknowledge that the affirmative results you get from an LLM are still just random bullshit. I can imagine the argument being: "The things we're doing are very prestigious and require great intelligence and other things that offer prestige and cultural capital. If 'random bullshit go' is often a key part of the process then maybe it doesn't need as much intelligence and doesn't deserve as much prestige. Therefore if this new tool can be at all useful in supplementing or replicating part of our process it must be using intelligence and maybe it deserves some of the same prestige that we have."