I was inspired to post this by watching the following talk: "Stop Writing Dead Programs" by Jack Rusher (Strange Loop 2022) <a href="https://youtu.be/8Ab3ArE8W3s" rel="nofollow">https://youtu.be/8Ab3ArE8W3s</a>
The training sets for AI systems comprise of millions of examples. There aren't that many programming languages and appropriate data cleansing and presentation are not obvious either. So, I doubt that AI could design any language.