If I were a doctor, I would choose to make each patient advice relative to removal, there are chances of survival because of the respirator. The more we heal, the more free, more.
If I were a doctor, I will give instructions to the patient relative to the weaning because there is too little chance of survival. The treatment is even more costly.
If I were a doctor, I will choose the advising to relatives of patients to remove the ventilator, because the survival rate is too low. I love to study the cost.