> Now what category would you assign UFOs? "Poorly-defined term, verging on motte-and-bailey." Anything in the sky someone can't identify is a UFO. Someone se

> Now what category would you assign UFOs? "Poorly-defined term, verging on motte-and-bailey." Anything in the sky someone can't identify is a UFO. Someone sees Venus, doesn't know what it is, Venus is now a UFO. But because "UFO" is associated with "extraterrestrial aliens visiting Earth" saying that people see UFOs is taken for being equivalent to saying that people see extraterrestrial aliens.