She noted that if a new programming language is created, it will have far less training data for ChatGPT than old programming languages do. So, to the degree that ChatGPT or similar AIs become an important part of writing code, the new language will be at a disadvantage even if it's intrinsically superior. So people won't use it, so it will never catch up to the existing ones in ChatGPT support due to lack of training data. So people won't use it, so...
In response, I noted that something like SudoLang is rooted in ChatGPT and so doesn't seem to have that problem. But I also said that her point seemed valid and worth thinking about. It seems like the outcome may be that the next truly popular programming language may be intrinsically tied to an AI. It won't necessarily be SudoLang or much like it, but that's not necessarily the only way it could be done.