Oh yes, but that's a much different question and is strongly conditioned by where Bitcoin and cryptocurrency are in the hype cycle (I'm using that term empirically, not normatively). You'll find at least that much negativity about other technologies and startups that have gotten to similar stages of (let's call it) ultrasuccess. Just look at the threads on Airbnb or Uber, for example. They're so vitriolic and repetitive that thoughtful discussion is almost impossible. We can speculate about the reasons for this but it definitely doesn't have to do with sentiment against new tech; it's a later-stage phenomenon.