SleepFixSam said:

Update: the thing I was blaming turned out not to be the cause.

I do not accept the framing. The question has been narrowed to the version that has a tidy answer, and the part that was dropped is the part the OP actually asked about.

SleepFixSam said:

Update: the thing I was blaming turned out not to be the cause.

True, with the qualification that this is a self-selected group. The people for whom it did not work post less, and that shapes everything we think we know.

SleepFixSam said:

Update: the thing I was blaming turned out not to be the cause.

Saving this. It is the first explanation that did not require me to already understand it. Sending this to two other people who asked me the same thing last week.

From the other side of the consultation, briefly. The useful move here is to separate what is established from what is widely repeated. Those two sets overlap less than the confident tone of most write-ups suggests, and the second set is where nearly all the disagreement on this board comes from.

MASHdoc_SA said:

The useful move here is to separate what is established from what is widely repeated.

This is my experience too, for whatever a second data point is worth. I had assumed I was the exception until I read this.