Wow, that's just so sad.You have to have an open mind to be able to see the future. Dimon's stance is a reflection of Wall Street's defensive posture and attempts to downplay one of the biggest existential threats to the banking industry. Bitcoin is a decentralized digital currency that relies on blockchain technology and isn't controlled by banks or governments.
I believe strongly that he had recognized the inevitable long before now, but probably out of pride did not want to make a statement, but probably there is pressure on him to join the train now, so he had no choice but to withdraw his previous statement.