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I believe that there are 2 reasons:

  1. People don't like to invest in things that they don't know. And crypto currency is still something that is "unknown"
  2. People don't like to share remunerative ideas. If they have BTC they don't talk about it around (don't understand why)
    PS. Imma I am following you now. Maybe one day we may organise a Steemers beer (still looking for a Londoners on here)

Sure. I can understand if investing in risky stuff arent talked much..but BTC in 2015 was a sure money already. Anyway, if that's how it was , it is still.