To primitive peoples, a simple computer program appears to be thinking, as it can rapidly arrive at a conclusion while entertaining a problem it has been programmed to address. Computer programs are not considered brains by most humans only because they can gaze at and understand the program, and can see that the computer is simply following instructions. Robots can concentrate on a bounded task, such as a game of chess, far better than humans. Robots can operate without attention or direction from their human masters. Humans get distracted by their biological needs.
Humans can have intractable prejudices or cultural viewpoints that they refuse to drop.
What is unseen is that robots are bounded in ways that DNA is not bounded. Humans are bounded by their biology, an inability to put aside their biological needs, so that they cannot travel where robots can, exclusively concentrate on a task as robots can, or remain calm in disturbing circumstances such as a burning building or the torture of another human might present. In overcoming biological imperatives, robots seem superior, especially since the average human does not understand how they have been programmed and are in awe. Robots, however, are bounded in what they can address. Even where robots are designed to repair themselves and make minor adjustments to their surroundings, they are still operating within their original programming.