[8mmMauser]

It is not enormous. Pulling feeding and water is similar. It kills by dehydration, not a fun way to go, and certainly not permitted for pets.

[Alberta's Child]

From a medical/ethical standpoint, the difference between removing a feeding tube and shutting off a ventilator is enormous. A person who cannot breathe on his own effectively dies of natural causes, while someone who relies on assistance for feeding/hydration does not. When a hospital removes a feeding tube, they've basically decided to kill the patient as opposed to letting the patient die.