That's slightly different. It can sometimes spot a bug in some code it wrote, in the same way it could spot a bug in the code someone else wrote. It could also

That's slightly different. It can sometimes spot a bug in some code it wrote, in the same way it could spot a bug in the code someone else wrote. It could also give a human-like justification for why the bug is there. But that's different from a real explanation for why it wrote the code with a bug. A real explanation would have to be rather non-human.