The internet sleuthing might just be smoke and mirrors. It's possible this guy already knew where the monolith because he knew the installer or is the installer. Either way, he's comes out looking good.
Not sure which is more likely.
Not sure which is more likely.
Merely raising the possibility that he could have gotten his information another way.
People who put up things like this often want them to get found.
Some people are just insane at that game.