This speculation is addressed in the novel Brainwave, by Poul Anderson (https://en.wikipedia.org/wiki/Brain_Wave https://en.wikipedia.org/wiki/Brain_Wave) It's

This speculation is addressed in the novel Brainwave, by Poul Anderson (https://en.wikipedia.org/wiki/Brain_Wave https://en.wikipedia.org/wiki/Brain_Wave) It's pretty dated regarding the roles of women and men, but the ideas are very interesting nevertheless. One of the big insights is that many people might not be ready to operate at full potential - they would succumb to various forms of insanity. Look how the Internet's 'network effect' amplified the voices of conspiracy theorists all over the world. Now imagine an enhancement of that kind of paranoia: this is what the super-rationalist protagonists had to deal with in Brainwave...