Good on Sarah Lacy for highlighting one of the anonymous Silicon Valley soldiers like Reid Hoffman. He's been toiling away in obscurity for years now...
Not sure what your definition of "obscurity" is... anyone who's not Time Man of the Year? Partner at Greylock, angel investor, founder and CEO of LinkedIn... he's one of the most prominent Silicon Valley personalities.
Sarcasm doesn't do well on hacker news, unfortunately.