Earlier quoted context omitted.
He's not dismissing Bitcoin, but the idea that through Bitcoin you can "remain a pair of anonymous public/private keys". This is explained here: https://en.bitcoin.it/wiki/Anonymity (and yes, I know that the technology can theoretically support this, it just doesn't in its current incarnation).
I'm not dismissing that either. I love Bitcoin, and I believe in its abilities. That's why it's really annoying when those with certain philosophies try to ascribe them to Bitcoin. BTC can work without trusted 3rd parties, and transactions can be performed in a completely anonymous way. Not every transaction requires or even benefits from these qualities, however. For Joe User's grandma to use BTC, there are going to…
Ah, my bad. You were calling something a fiction and I assumed it was the "you can use bitcoins to accomplish this [in the context, performing transactions while remaining an anonymous pair of encryption keys, which you can't right now]", when you probably were referring to the "you don't even need banks" part.