Yup! Some people will steal anything not nailed down if they want it bad enough.
A friend of mine who was in Daytona a couple of years ago said that they had 5 bikes stolen off the hotel parking lot during bike week. Five Mexicans with a couple of metal poles would walk onto the lot, stick the poles through the spokes, and carry the bikes out to a flat bed along the street. And, this all with a crowd of bikers partying all around. Talk about balls. From what I understand though they did eventually get caught.