Everyone can share their blog posts here, and it will only show up on the front page if enough people think it's interesting enough to be there.

Apparently more people (Including myself) think it's interesting vs. uninteresting.

Because his articles are really popular with people here. he does lots of interesting stuff, and most of it is open source.

You will notice only a few of his posts are posted here by him - lots of different people.

Because they're interesting?