> But at the level of microbiome, it's just bunch of cells mixing with another bunch of cells, with different DNA. It's all one large bag of smart sand. Well,

> But at the level of microbiome, it's just bunch of cells mixing with another bunch of cells, with different DNA. It's all one large bag of smart sand. Well, in terms of biomass not quite, and our gut flora are also topologically still outside of our bodies. But I agree with the overall sentiment, whether we call it a bag of smart sand or a portable sealed-off climate controlled micro-ecology is just details.