Another interpretation, since these are voluntarily reported on a CV, is that the people citing OS X and Haskell are more likely to be trying to differentiate t

Another interpretation, since these are voluntarily reported on a CV, is that the people citing OS X and Haskell are more likely to be trying to differentiate themselves. They want to be seen to "Think Different." In the likes column, they add a prestigious and difficult language or an OS associated with an exclusive brand. In the dislikes, they put items that are seen as mainstream.