A PC is tangible asset. A Bitcoin is a virtual currency.
He's just using the PC as an analogy and putting Bitcoin in the same category as a worldwide revolution.
It is really much more than a currency.
The process is the paradigm shift.
The peer to peer nature, with minimal fees, is the key. Large and small merchants can save millions in fees by adopting the payment system.
I am not saying that Bitcoin is the ultimate winner. But it clearly is the Gorilla. Of course AOL and Yahoo were the Gorillas back in the day. They are pretty much spider monkeys to Google today.