> In addition, knowing human nature and our propensity for conspiracy theories, there will be people in the future who think all those signs were put there to d

> In addition, knowing human nature and our propensity for conspiracy theories, there will be people in the future who think all those signs were put there to dissuade people from finding a massive buried treasure. After all, the phrasing is pretty much what you would expect if someone had buried a treasure and wanted to scare people from digging for it. This precisely had me thinking about a science fiction plot, along those lines: human colonists discover a massively booby trapped monument left behind by some long extinct alien civilization, and make great sacrifice to penetrate into its depths, only to realize in the end that nothing was hidden underneath except radioactive waste. Edit: walrus01 beat me to it!