Of course some are fake. Just like fake fossils manufactured in China.<quoted text>we have ways of determining if videos have been faked. people try it all the time with "UFO videos and they are always busted. do you have a point?
People tried to replicate the 'real' crop circles. It turns out the fake ones were not as elaborate and when used a device they were still unable to accurately replicate the microwave effect on the crops. Also, the use of these devices would be a loud set-up because it needs to be plugged in to a generator for power and so far none has been caught to use them until they tried to figure out how real crop circles were made.