Hipster-hate strikes me as just another thinly veiled form of bullying, and it's interesting to see how readily internet nerds - the people who are disproportionately to have been bullied in the past - engage in it. Look! He's different! Let's make assumptions about his motivations and get him! It's also interesting to see how many times Reddit (and other communities) fly into a rage-fest because of lack of context,…
Given the most core of the criticisms of hipsterism are its judgementalism and superiority complex, your argument seems to be tantamount to decrying the bullying of bullies, or the lack of tolerance for the intolerant.
Another common critique I hear is the mindless pursuit of "authenticity", an aping of anything whose style is "old" -- the automatic assumption that old is authentic, and authentic is better. These are, in my mind, two core branches of an otherwise very difficult to define notion.