No. Have you ever changed your mind on an ethical question? I'm serious.

Except that it does, because having been persuaded they extrapolate differently. But maybe by CEV you mean some idealised version.

...

the assumption than basic values are in hardware, not software

The observation that a racist (or whatever) is using, albeit imperfectly, the same criteria to declare various courses of action "right" or "wrong". What they lack is the knowledge that minorities are not evil mutants.