For one, he feels that a "world computer" is still a valid way to describe the Ethereum project – "a shared computing environment that anybody can build and run stuff on is still a totally legitimate and valuable thing to emphasize."
He spoke of a phenomena in which he believes people who get excited about the blockchain then inadvertently find ways to integrate it with their businesses, which he described "a lot of wasted time." Then he somewhat went on the offensive, when asked what in particular was a waste of time:
"A lot of the big corporate blockchain stuff. I read this CoinDesk article about some IBM blockchain thing. I don't understand this deeply, but the detail that jumped out at me is they're saying 'Hey, we own all the IP and this is basically our platform and you're getting on it.' And like, that's[…]totally not the point[…]"