Manufacturing children using the genetic material of multiple parents is not a prospect to be celebrated. It is a dystopian technology, making children, as if they were consumer goods, and unmaking the family, as if it were not essential to the common good. The New York Times recently ran an op-ed titled “The Poly-Parent Households are Coming.” It is notable for its celebratory approach to two future prospects: that human children might be created from manufactured gametes (sperm and egg) through a process called in vitro gametogenesis (IVG)…