This question is the title of a video on Youtube that intrigued me, especially because of these accompanying remarks:
«It sounds like a hugely arrogant and self-serving suggestion to imply that cleverness might lead you to loneliness. But if you define cleverness in a selective (and modest) way, there may truly be an aspect whereby it can lead to a certain isolation. [...]
«It sounds like a very mean and undemocratic thought, trading off the peculiar glamour that isolation has in a Romantic culture – in order to gain an oblique sense of superiority and perhaps pass off an absence of social skills as a virtue. It is important, therefore, to be clear what is meant here by intelligence. It has nothing to do with degrees or any of the criteria by which we ordinarily measure cleverness. What is meant is emotional intelligence, which exists (or not) in every strata and nook of society…»
https://www.youtube.com/watch?v=0lXX3dJUAGY