>So the options are the world is rational and understandable, or there is no truth, everything is a lie and we're living in a Lovecraftian horror where we are physically incapable of understanding reality.

Random chaos is way too staticky for Lovecraft. The snow on old TVs when they've got no signal is random noise. Lovecraftianness requires distinct things with tentacles and little bubble-eyes everywhere. Totally different aesthetics ;-).