It occurred to me that by introducing the concept of accepting blood fractions as being a conscience matter, the Society has established a precedent for the disposing of other unfounded teachings.
Consider, for example, Birthdays:
On your birthday it is allowable to eat cake. It is allowable to light a candle or candles. It is allowable to blow out a candle or candles. The foregoing may be allowed by your conscience so long as you, on your birthday, abstain from cake with candles on it and you refrain from blowing out the candles on the cake.
Likely you can think of other examples where fractional withdrawal can enable the Society to abandon other unfounded teachings.
DNCall