things you described are not "highly unusual" in the way gp comment is describing. you are just remixing bunch of stuff. Thats the type of thing ai is really good at.
Also, what would be highly unusual to you?
i dont see anything like that in that comment.
My second point is that the models are way better at things like Rust or Lua than Python or JS, because the average person producing code in those languages has way more programming experience"
Though it's still cheating with a compatibility layer, I don't think claude touched any HolyC.