And yet, every post about H1B visa rule changes will have hundreds of comments bemoaning the selling out of the American IT worker. There will also be much hand-wringing about the on-shoring of foreign jobs and anecdotes about how terrible it is working with Indian consultancy firms.
HN commenters want to vent as much as anyone else. They just do it on political posts that they feel affect them personally, even if it's not something they can change directly.