You really think "insular millennial techies" are most of the people who go to bars? Even in San Francisco I'm sure that's not true. And you really think it's true in Baltimore, or Cincinatti, or Omaha (all Uber cities)?

To the extent people "hate insular millennial techies", it is mostly because certain segments of the media tell them to. See eg. http://pando.com/2013/12/26/look-whos-gawking-inside-nick-de....