and how incredibly frustrating [name withheld to protect the guilty] was with his obtuse misunderstandings of basic CS
We have that here, too. (It's probably less frequent here.) Sometimes the misunderstandings do not get downvoted or pointed out, sometimes they do, but the negative scores and replies do not prevent the person from continuing to go on copiously and with confidence about the subject he misunderstands.
Well, inasmuch as we have that same person here, we have the same problem. (Downvoted heavily too; I haven't read the comments - about some inane looking problem about clock faces and the real number line - but given his past history I'm not inclined to be charitable.)
This is probably of interest only to the old-timers here. (Ironically, as a cross-post, this is almost by definition spam for LW, since anyone really interested in the topic would already be subscribed to SL4 and would have seen the emails.)
In 13 March, I finally got around to a long outstanding bit of cleanup: suggesting that the equally long defunct SL4 list be formally closed, things tidied up, and the lights turned out. The suggestion met with a mixed (and muted) reception.
Last night I followed up with a second email comparing SL4 activity to activity on Extropy-chat, LW, OB, and MoR; it won't surprise anyone trying to drink from the firehose here that LW is approximately 3 orders of magnitude more active than SL4 is.