That is a poor analogy (unless you are suggesting that human being have no inherent value). Cells are not people and thus do not have the right to make their o

That is a poor analogy (unless you are suggesting that human being have no inherent value). Cells are not people and thus do not have the right to make their own decisions. If some of my cells are not useful I have no problem killing them off. My cells only exist to serve my existence; they have no inherent value.