That you're not paid for commenting on HN is certain; that people sometimes do things out of charity is equally obvious :-) I wasn't intending to imply an oblig

That you're not paid for commenting on HN is certain; that people sometimes do things out of charity is equally obvious :-) I wasn't intending to imply an obligation, so perhaps "responsibility" is the wrong word. A crude analogy (since it's the first one that pops to mind) is how sad the Ruby community way when _why left.