I don't think he would go and lay waste to the planet, he just wanted to get those who awoke him before the right time. As the old cultist said: when the stars are right - Cthulhu and his people are basically gods, and when the stars aren't right - they "can't live", which probably means that he...
Nothing tame about finding out that the most nihilistic ideas about humanity's place in the universe are not only real, but also predetermined, since he already knows its future. It has literally nothing to do with Lovecrafts supposed racism. He actually became much more open to different...