> In my experience, Q&A is useful because it summarises and consolidates disparate information into a concise response to a prompt (sorry, I mean to a Question!

> In my experience, Q&A is useful because it summarises and consolidates disparate information into a concise response to a prompt (sorry, I mean to a Question!) which is... exactly what a chat AI does There is knowledge you will never find in documentation. 50% of places where SO has been helpful to me are not "consolidating documentation". They are solutions to obscure bugs, Useful APIs which are not documented with any example, and low-level logic / high-level design solutions.