My understanding - and I could be utterly wrong about this - is that the reverse is true. Bubbles generally don't have non-stop headlines stating that they are

My understanding - and I could be utterly wrong about this - is that the reverse is true. Bubbles generally don't have non-stop headlines stating that they are in a bubble, which is what contributes to the run-up. If anything, headlines declaring Bitcoin a bubble should have a negative affect on valuations as it puts man-on-the-street buyers off withdrawing savings or equity to buy it.