I've come across so many otherwise intelligent people who just reflexively go "oh I don't _get_ Twitter at all". It reminds me of the people who are all "I hate

I've come across so many otherwise intelligent people who just reflexively go "oh I don't _get_ Twitter at all". It reminds me of the people who are all "I hate / don't understand / can't do math" without giving it a chance. What I'm pondering here is maybe there's a mental hurdle here at play, in addition to the UX issues cited in these other comments.