Ms. Gaddy declared that she held medical power of attorney for Mae, and had her transferred to the LaGrange Hospice. Later investigation revealed that Ms. Gaddy did not in fact have such power of attorney. Furthermore, Mae's Living Will provides that nutrition and hydration are to be withheld only if she is comatose or vegetative. Mae is in neither condition.
Ms. Gaddy doesn't have any say in Mae's condition.
Mae has a Living Will to state what she would want when she wants it.
Where's the slippery slope? (For that matter, why did they listen to Ms. Gaddy in the first place?)