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03:34
@XanderHenderson, and any other mods: I just noticed something I consider unusual. There's a member here for about 3 years and 7 months, with a total of 11 answers and 2 questions, who has just written 10 answers within a period of only about 34 minutes! Some are quite long, so I don't see how any single human can reasonably do that in such a short time period. Note that, apart no MathJax being used, it seems most of the answers are fairly reasonable, although there appears to be problems ...
(cont.) with several of the answers (just based on a few comments, as I didn't check into them carefully). I obviously don't know what is going on, although it seems this user is doing something like providing answers from multiple people working with them, but it's more likely they're adapting answers from a chat bot, most likely ChatGPT. Unless I can confirm this, or notice specific problems with the answers, is there anything I should do (e.g., flag for diamond moderators to check on this)?
(cont.) Just one more thing, there's one answer I have looked at fairly carefully. Apart from some poor wording (which may possibly be from using a chat bot output), there's a fairly glaring algebraic mistake, which from my admittedly very limited experience, is something that at least ChatGPT tends to do (i.e., it doesn't really understand math very well!).
04:11
(cont.) Note that, checking this user's profile just now, I saw they have posted 5 more answers within a period of only about 13 minutes! One of these answers has a -1 score, with the rest being 0, but I haven't checked any of them specifically, e.g., regarding their apparent quality.
 
4 hours later…
08:23
Please raise a flag. We'll take a look.
 
2 hours later…
09:58
@Pedro Thanks for the feedback. However, the one OP's answer I had commented on several times has just been deleted by @XanderHenderson (about 11 minutes ago), and the user has been suspended for 7 days for "low quality contributions", it seems I don't need to raise any flag in this particular case. Nonetheless, if I ever notice any other similar situations in the future, I will do as you suggest.

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