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GPT-5: Overdue, overhyped and underwhelming. And that’s not the worst of it.
(garymarcus.substack.com)
this post was submitted on 10 Aug 2025
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I'm a total philistine, half of the words you said just passed over my head, I just don't see anything fundamentally different between amoebas and an electronic light sensor or a roomba or whatever. Certain inputs produce certain outputs, and things like whether it's chemical or mechanical or anything else is immaterial. You may as well tell me that every massive object "wants" to move toward other massive objects in proportion to the product of their masses and inversely proportional to the distance between them. The fact that one perpetuates an organism's existence and the other isn't is purely incidental and I think you're effectively projecting a teleology onto it by saying that these reactions by means of which an organism maintains itself are, by that very fact, evidence of a "want."
But that's a statement about the ultimate consequences of what happens, which doesn't tell us almost anything about the proximate nature of the actions. That's what I mean by "projecting a teleology." Consider a mutant amoeba that does something not conducive to self-maintenance, there is nothing inherently different about the nature of those actions as biological processes, it requires a zoomed-out view to explain normal amoebas as conforming to selection pressures and this mutated behavior as deviating from selection pressures. "But the amoeba dies!" Yes, but the event of the death later on is not useful for explaining the fundamental nature of the action itself, the death is a distant, emergent consequence of the action, an event distinct from the action (as is successful replication, and even more so with the "event" of surviving past that point in the future). You're using teleological reasoning to make some sort of metaphysical claim about events and organisms that fundamentally don't make sense from a materialist perspective.
This, as I have abridged it, is completely true. The issue is that the "want" is just a metaphysical, teleological complication that doesn't help us understand anything and just serves to mystify a mechanical/chemical/electrical process that is already entirely understandable.
Right, it is dialectics. The problem is that it's Hegelian dialectics, which is highly teleological and idealist, and not material dialectics.
You're conflating ultimate causes and proximate causes. It's just an extremely elementary mistake in understanding behavior. I didn't call it Hegelian on the basis that you mentioning Hegel was evidence (though that did help me make the connection), I called it Hegelian because it has the same ethos of the end existing inside each step of the process, drawing the process along intrinsically, which you cannot claim this theory of "want" is not.
It's no different than saying massive bodies want to be near each other (prioritized in terms of mass1 x mass2 / distance) because they keep exerting force that trends toward that outcome. It's no different than saying that liquids "want" to hold together, they just don't want it very strongly, or that rivers "want" to erode shorelines. With base organisms, it's just input -> output, and the function processing them was created by selection pressures, but there is nothing distinguishing the actual actions on a proximate level from ones that are ultimately self-destructive, because the self-destruction only happens later and on that basis, with no further information being required, cannot be used for establishing what was going on inside the base organism at a proximate level to cause the output.