We've already had over 1000 prompts shared and thousands of people using it. It's just as much about discovering cool ways to use AI that other humans share that you may not have thought of.
You can search for prompts related to something and find ones that are valuable without needing to write an effective prompt yourself. example marketers are searching 'marketing' and finding useful prompts contributed by other people.
i don't think this idea will produce anything to even get to the point of needing to solve the supply demand paradox.