Well, yes, I assumed that was the motivation. On the other hand, Thomas Donaldson. <strike>They actually went to court with him against California to support his "suicide".</strike> (They ended up losing. The court said it was a matter for the legislature.) And what I'm asking only amounts to figuring out the best way to avoid autopsy.

EDIT: Actually, Alcor probably wasn't involved directly in the case. I forget where I read that they were; I probably didn't read it. But anyway, the overall publicity from the case was positive for Alcor.