Am I missing something or a transhuman is just a more intelligent human with just more access to data (think about someone who could process the entire Internet

Am I missing something or a transhuman is just a more intelligent human with just more access to data (think about someone who could process the entire Internet data within seconds)? But while he needs the human species, why would he exterminates it? As history teach us, we would kill him, beacuase ...