. . . as I told Goldilocks Took below, simply because I think that would have been too dangerous for the orcs.  How would they have prevented Celebrian from invoking some heavy-duty magic?  How could they be sure she was unable to do so?  I think even the orcs would have thought twice about such a torment, and would have chosen something that involved less personal exposure, if you know what I mean.  Perhaps simply some sort of heavy-duty poison, administered at a distance, would do the trick.

________________________________________

"‘I think he was a silly little man,' said Councillor Tompkins.  ‘Worthless, in fact; no use to Society at all.'

"‘Oh, I don't know,' said Atkins, who was nobody of importance, just a schoolmaster.  ‘I am not so sure: it depends on what you mean by use .'

"‘No practical or economic use,' said Tompkins.  . . .

. . .

"‘It is proving very useful indeed,' said the Second Voice.  ‘As a holiday, and a refreshment.  It is splendid for convalescence; and not only for that, for many it is the best introduction to the Mountains.  It works wonders in some cases.  I am sending more and more there.  They seldom have to come back.'"