A simple answer: because running one's own mail server has little/nothing to do with being a "self-respecting hacker". For myself personally, it's because I va

A simple answer: because running one's own mail server has little/nothing to do with being a "self-respecting hacker". For myself personally, it's because I value my time being spent elsewhere on things I consider more important. I simply don't care if that approach earns me a label of "non-self-respecting hacker" (as the original author implies).