[locknitpicker]

> No, we don't. It is Anthropic, Google, OpenAI et al. who need a fix for those problems today. Let them deal with it.

I don't think you understand what an instruction files or a agent skill is. They are nothing more than glorified custom prompts that are automatically integrated in sessions by the user agent. The likes of Anthropic are paid either way.

It's not Anthropic et al who seek to do less work to get models to do their work, nor do they care if prompts are shared. At most it is a minor UX improvement, and one which is shared across AI vendors.