Because I submitted it and it got some upvotes. I submit a fair number of hey-pay-attention-to-the-political-economy-of-our-wealth links, and this is the first (?) that's gotten traction. It may be the last, and if so that's fine.
Why did I submit it? My tremendous admiration for and personal gratitude to pg and the HN community is tempered by a sense that the community, composed as it is of human beings, tends to think that it deserves the good things that happen to its members. In the case of the extraordinary wealth, the good things that happen effect what we might call the political economy of ideas in the community. I thought this incident might cause a few HNers to think about that: not Hanauer's ideas, but how deals are actually closed in the proverbial marketplace of ideas in which we are all participating.