It's not, we're trying to put together people with different backgrounds, and different approaches to langauge. We started from the two context we were most familiar with. The line between what is satire and what is community culture may be kind of thin, especially for online communities such as HN. Don't you think? :-)
Other than hacker news, how many other targeted landing pages have you created? (just for my own curiosity)
Another one for the University of Venice (Ca' Foscari) that we proposed to students/ex-students last week.
The HN-specific page reads like startup satire.