Daniel Dennett gets it right

[elfs]

We cannot let any group, however devout, blackmail us into silence by their expressions of hurt feelings whenever they feel that we are getting close to the truth. That is what con artists do when their marks begin to get suspicious, and that is what children do when they can't have their way, and it should be beneath the dignity of any religious group to play that card.

Daniel Dennett in Salon.