Why not go in and killer her now? It would be cheaper. It would free up the bed. It would be more humane than letting her starve to death over a period of weeks-- if not more humane for her then more humane for her parents.
It is a repulsive idea; see how Ciexyz reacted to it- so adversely that my entire point was lost in the very concept.
Something in our humanity tells us that would be wrong to do.
And unless someone can make a case as to why starving someone is somehow morally superior to suffocating someone, we shouldn't act like it is.
What is being done to this woman is wrong.
As a Catholic, I will try to answer that question, although you might not find it satisfactory.
If I develop a Permanent Vegetative State, I have asked my wife to remove any feeding tubes.
I have not asked my wife to snuff me.
Although my Catholic conscience will allow me to starve to death, I will consider a sin any extreme accelleration of death.
I'm assuming the Schiavos are Catholic, since the Catholic Church has issued statements on this specific case.