Just imagine the stupendous discovery inherent in the plausibility of crop circles being a result of extraterrestrials. Yep,after a journey of light years and the immense physical effort and expense not to mention danger,loss of life and technological implementation these beings from another world decide to impress us with the level of their intellectual superiority by crushing grain into designs for our amusement.
By cracky,space travel does strange things to a fellow.