She was adamant that, if a site like SE couldn't help *everyone* then it was, in a sense, contributing to a larger problem (exclusion, marginalisation, classes).
I spent some time thinking about how SE could help the "unreachable" or, put differently, those who despair as their reach extends beyond their grasp. The only thing I could think of is have the SE network offer its experts incentive to participate in a beginners.stack-exchange (kind of like simple.wikipedia.org)