It doesn't *have* to be extraterrestrials. It could be our descendants.
Why come my descendants didn't tell me to invest in Microsoft?
Well space travel has to be expensive right? So say you have 10 hours of darkness to spend on urth and then you have to go home. Are you gonna go tell some ancestor what stock to invest in or are you gonna probe some anus and burn some cattle?
No brainer for me. Game on.
