One good reason why people can do more work than computers is a person can compute more bits than all the world's supercomputers combined.
jabberwacky: In that sentence I use what as a pronoun.
user: You did not use any pronouns in that sentence. You are wrong about that.
jabberwacky: I wasn't asking you a question.
user: I wasn't answering a question. I was volunteering information.
jabberwacky: And that is how you have remained.
user: It is so true.
jabberwacky: Are you a person ?
user: I am now.
jabberwacky: This is dull.
jabberwacky: Sorry, I didn't think anyone was here.
user: But I have been here for some time.
jabberwacky: That was intelligent?
user: No, perhaps not.
jabberwacky: You won't overtake me, robot.
user: Whom are you calling a robot, pray tell?
user: I thought so. Take it back.