Full Idea
Intuitionism in ethics has been demolished by a succession of critics, and the ruins of it that remain above ground are not impressive enough to invite much history of what happened to it.
Gist of Idea
Intuitionism has been demolished by critics, and no longer looks interesting
Source
Bernard Williams (Ethics and the Limits of Philosophy [1985], Ch. 6)
Book Reference
Williams,Bernard: 'Ethics and the Limits of Philosophy' [Fontana 1985], p.94
A Reaction
Why does intuitionism have such appeal to beginners in moral philosophy? There is a truth buried in it somewhere. See 'Sources of the Self' by Charles Taylor.