Among all the other problems with this... They describe [1] their contributions as "steering the AI" and "keeping it honest", which evidently they did not.
> Mojo, D, Nim, and Zig can do it, and C++ as of C++20. There are likely some other languages that can do it, but these are the only ones that can truly run normal run-time code at compile time
[1] https://discourse.julialang.org/t/ai-generated-enhancements-...