I can't help but feeling like if we're just going to be talking about copyright, we've jumped the shark.

> I think (hope?) that there will be a kind of prompting language as well which is slightly different than the normal, every day human language.

Such a language could be used to define the software requirements specification.
In any case the AI tools shall be capable enough to recognize the ambiguity in either the prompting language itself or the described problem. And to ask user for clarifications to minimize the uncertainty of the final answer (generated code).