I suppose you might go out of your way not to produce artificial intelligences that could outcompete you, since if there isn't life out there, now you've just c

I suppose you might go out of your way not to produce artificial intelligences that could outcompete you, since if there isn't life out there, now you've just created it, and they'd wipe you out as soon as possible just in case. It would still just take one civilization build Skynet by accident or to hold a firm belief in mind-uploading though, and then we're knee-deep in cybermen.