That is around when Bitcoin dropped its currency aspirations and went whole hog into being a vehicle for speculation.
Was that when we started to see all the scammy pump and dump schemes around random new cryptocurrencies as well?
The most recent round of dissapointment comes from blockchains being too expensive to use as write only databases, yet people using it for trivial means like crypto kitties.
I predict the next issue will again be unrelated to Bitcoin, but rather non POW coins getting hacked.
But who knows, maybe the offshoots like CureCoin can do some good without devastating the environment.
I imagine the HN of 1910 would be saying, "The Wright Brothers flew seven years ago and we aren't flying across the ocean yet, clearly aviation is a pointless new technology."
Many people haven't updated their opinions since then. Even if they've bothered to keep up, they see everything in the light of those days and never reconsider.
Except speculation.
This was a few years ago, fees are probably higher now... Which negates your insistence that the technology is the value.
Anecdote: I have a U.S. online bank account with no minimums or maintenance fees. Travelled to Europe a few months ago. Took out Euros with the ATM fee reimbursed by my bank and an implied FX spread less than 1% to spot.
Although the term is "inflation hedged asset"