When scientists need to explain difficult points of theory, illustration by hypothetical example – rather than by total abstraction – works well (perhaps indispensably) as a rhetorical device. Such cases do not function as speculations in the pejorative sense – as silly stories that provide insight into complex mechanisms – but rather as idealized illustrations to exemplify a difficult point of theory. (Other fields, like philosophy and the law, use such conjectural cases as a standard device.)
Selfish hedonism is not a pejorative. It is a description — an exactly accurate description of what is involved in homosexual relations.alan keyes
In the United States, we have altered the public conversation about our work and our enterprise. For example, it is no longer possible for informed people or publications in the United States to pin pejorative labels on us.