Hence the uneasiness which they arouse in those who, for whatever reason, wish to keep us wholly imprisoned in the immediate conflict. That perhaps is why people are so ready with the charge of "escape." I never fully understood it till my friend Professor Tolkien asked me the very simple question, "What class of men would you expect to be most preoccupied with, and hostile to, the idea of escape?" and gave the obvious answer: jailers.
C.S. Lewis, On Stories: And Other Essays on Literature
escapism, fantasy, jailers, science-fiction