Do not eat it, so that it may go well with you and your children after you, because you will be doing what is right. This is a subtle yet important difference. There are many things that we do to sustain life. We have to breathe oxygen into our lungs. We must have water and food.
Sleep is essential and so forth.
It is clearly established that from a medical or scientific perspective , having a blood transfusion is not the same as eating blood. Therefore, it is necessary for the WTS to somehow link them . Clearly, this is not what the texts says. Contrary to how some today reason, God's law on blood was not to be ignored just because an emergency arose. During a wartime crisis , some Israelite soldiers killed animals and fell to eating along with the blood.