What Would Artificial Blood Mean for Jehovah’s Witnesses?

Would permitting artificial blood, should it become scalable in the future, be a good compromise? I’m no Jehovah’s Witness, so I can’t speculate too much, but it seems that it could be a workable loophole that would allow them to adhere to their faith while catching up with modern medicine.

Slate, Future Tense, november 17, 2011.