Full Idea
Deontologists characteristically maintain that utilitarians have made out a particular hard case to be too simple.
Gist of Idea
Deontologists usually accuse utilitarians of oversimplifying hard cases
Source
Rosalind Hursthouse (On Virtue Ethics [1999], Ch.3)
Book Reference
Hursthouse,Rosalind: 'On Virtue Ethics' [OUP 2001], p.64
A Reaction
Utilitarianism certainly seems to ignore the anguish of hard dilemmas, but that is supposed to be its appeal. If you think for too long, every dilemma begins to seem hopeless.