He's an engineer first and foremost. He (on behalf of Sony) claimed he shares ours' and Tom's expectations of physical software ownership. They were clearly on the same page and he answered the question the way Tom was happy with to waylay his fears. I think that is job done.
"Not blocking used games" can mean "you have to pay for a license", though. They're wriggling out of telling the full story. Technically, MS aren't blocking used games either - just making you pay a fee.
This is what we're up against this generation: marketing talk.