I see where you're coming from but this group in particular never make any claim that their circles are made by E.t's. They document their work and
post pics claiming ownership so they can't really be classed as hoaxers
Just a note that our latest internet radio show episode we interviewed Colin Andrews, who goes into great detail about the notion of hoaxed and
unknown crop formations, and their importance to each other.
I encourage you to check it out if you're truly interested in the deeper picture and what it may mean. Paratopia Episode 44