Chef Roy Choi addressed a similar issue in food, namely that they were all fixated on "feeding the rich": http://www.eater.com/2016/9/23/12981936/locol-watts-roy-choi.... I do wonder what YC startups could bring to say, people struggling in the Rust Belt of the US. FarmLogs is one awesome example but I'm sure there are other opportunities. I don't work in tech, but it does seem the community is self-obsessed and that is stunting its reach.