Comment by tsimionescu

In general, any robot that has servos powerful enough to be any of use is surprisingly dangerous to be around. While it's much easier to apply various limiters, the raw power in those engines will always pose a significant level of risk if anything goes wrong. If you're hovering above a human who sits up suddenly, you might get your nose broken. If it's a robot instead, it will have the strength and mass to easily mutilate you in the same kind of accident.