The misguided "stand" on blood use is well known and of no surprise. The policy is probably more honest than the fudging of the pharisaical navel gazing over what counts as a blood component.
The real evil smell from this is the subterfuge. The WT is increasingly trying to put clear water between themselves and the carnage they create. If you are going to make a rule affecting the lives of your adherents at least tell them to their faces.
This is part of the overall strategy that separates the GB from all decisions with any possible legal consequence. They hang out the elders, COs by layers of corporate and legal separation. Now medical staff.
They are faceless cynical manipulators. How did anyone fall for it?