The dystopian horror of a future where “defective” embryos are targeted for destruction should be obvious, though to many it is evidently not. Siddiqui retweeted someone saying he can’t understand the outrage over intentional embryo sorting, when the very process of IVF (as most commonly practiced) guarantees not all embryos once created can be implanted. If people are unbothered by the fact that embryos in general are discarded all the time, whence the squeamishness at the proposal to ...