Why forbid anyone to take a chance on her living or even dying quickly. Oh, no. This is a sure bet.
This flies in the face of the most common sense, which makes me see something sinister afoot.
It reminds me of the old saw: You can't sue the Devil, he owns all the lawyers.
Greer has no authority to prevent her feeding/hydrating by non-artificial means. No one does. That's my point. He can only pull out the "artificial" tube.
And Greer is committing a crime if he is the one preventing her feeding/hydrating.