They are waiting for bitcoin to become the number #1 currency. Just like people joke about 'the year of linux'. Guess what, linux is still around. It doesn't need to be #1. There may never be a 'year of linux', but it doesn't mean linux is a failure.
I see, I don't see it being successful at that, in trade. I see it's blockchain and consensus model being used as settlement on a broad and broader scale.