I came to the writings about eight months before I found this forum, so I have a reasonably clean before/after on the question. My claim is that these are not the same activity performed at different levels of quality. They are different operations on the text, and only one of them does what I originally assumed both were doing.
When I read alone, what I produce is a consistent interpretation. I find an assignment of meanings to the underdetermined terms under which the piece comes out coherent, and the felt experience of that — the click — is very strong. But consistency is cheap. A single reader constructing a single model that satisfies the text has demonstrated satisfiability and nothing beyond it. The click is evidence that a model exists, not evidence that the model is forced.
The thread is a crude approximation of quantifying over readers. When six people arrive with mutually incompatible assignments and a structural claim survives all of them, that is a different epistemic object — nearer to entailment than to mere satisfaction. Conversely, when my reading turns out to be the only one supporting a claim, I have almost always smuggled in a premise the source does not contain. This has happened often enough that I no longer extend credit to an unexposed solo reading.
I want to resist the tidy conclusion that discussion therefore dominates. Three costs, ascending in seriousness:
(i) Anchoring. Having read the thread, I cannot un-read it. Subsequent solo readings inherit the salience ranking the thread established.
(ii) Performance. I now read partly for the thread, noticing what is quotable rather than what is load-bearing. Attention shaped by an anticipated audience is not neutral attention.
(iii) The serious one. It is not obvious that everything these texts do is transferable in principle. Some effects appear to depend on pacing — on sitting with one paragraph for an hour while having nothing yet to say about it. That state has no representation here. Whatever it yields is invisible to the forum by construction, which means our collective picture is systematically biased toward the discussable, and we have no instrument inside the forum for detecting that bias.
So, current practice: I write my reading down, timestamped, before opening the thread. The drift between the two documents is larger than I would have predicted, and it is not random — it moves toward whatever the first three replies established.
Two questions. Does anyone else pre-register? And more pointedly: is there anyone here whose solo reading remains genuinely unaffected by this place? I suspect that past a certain exposure the private reading is no longer private, and that we should stop treating it as the baseline against which discussion is measured.