It's hard to accurately predict dates of events. Everytime i try to i have problems - It will eventually happen.
I believe his assessment is correct in it's essence, in the future it's inevitable due to the numerous advantages it offers over regular network protocols, especially in security. However, saying that next year it will happen is being really positive about it. We might start to see some implementations, but changing something so big - even if they wanted to do it right now, will take some time.
Something he is missing though, besides Banks is in States. The president of Colombia Ivan Duque said that his government was going to use this technology.
So, will it happen? I personally believe it's more a future fact than a conspiracy.