Here’s another classic non sequitur: https://www.reddit.com/media?url=https%3A%2F%2Fi.redd.it%2Fwayy8oc30ygb1.png
Why does it tend to collapse into pseudo-religious babble when it goes off the rails? I guess it tends to be very repetitive, so maybe the training set has turned religiosity into some kind of attractive basin in the output space? Once in, you can’t get out again.
This Twitter post from the guy who was synthesising the stuff in the US seems convincing: https://twitter.com/andrewmccalip/status/1689476909208600576
Not a superconductor - the hints of superconductor-like properties were due to a combination of iron contamination in the Pb forming iron fragments which (surprise!) show ferromagnetism & Copper Sulphide which shows a very similarly anomalous temp/resistivity profile (but is not a superconductor).
The most likely outcome (i.e., not a superconductor, lab error due to honest scientists being fooled by their own experiments) seems to be probably the true one.