 Above all, utilitarianism is in trouble, according to Williams, because of the central theoretical place that it gives to the ninth thesis of the morality system—the thesis that we put on one side earlier, about impersonality. Other forms of the morality system are impersonal too, of course, notably Kantianism: “if Kantianism abstracts in moral thought from the identity of  persons,[20]  utilitarianism strikingly abstracts from their separateness” (1981: 3). Like Kantianism, but on a different theoretical basis, utilitarianism abstracts from the question of who acts well, which for utilitarianism means “who produces good consequences?”. It is concerned only that good consequences be produced, but it does not offer a tightly-defined account of what it is for anything to be a consequence. Or rather it does offer an account, but on this account the notion of a consequence is so loosely defined as to be all-inclusive (1971: 93–94):