(nods) That follows from what you've said earlier.
I suspect we have very different understandings of how similar the 30-year-old's desires are to their volition.
Perhaps one way of getting at that difference is thus: how likely do you consider it that the CEV of a 30-year-old would be something that, if expressed in a form that 30-year-old can understand (say, for example, the opportunity to visit a simulated world for a year that is constrained by that CEV), would be relatively unsurprising to that 30-year-old... something that would elicit "Oh, cool, yeah, this is more or less what I had in mind" rather than "Holy Fucking Mother of God what kind of an insane world IS this?!?"?
For my own part, I consider the latter orders of magnitude more likely.
I'm pretty uncertain.
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