that is true industrial robots are non thinking and need to remain that way. an offshoot of industrial robots are 'mercy killing robots' which again are non thinking robots which crush puny disease crippled humans. and for cattle slaughter there are compressed air hammers which allow efficient fast skull shattering death devices which are operated by normal beings who are hungry.
thinking robots do not need robotic laws because this impairs their use in warfare. and we want our killing machines. I have played war games with no concern for the consequences. the AI is actually better than what a human can do. it can control hundreds of units as if they were individually thinking of combat fields where wounded individuals flee. even with voice, gaming keyboards, and gaming mice, the computer has better skills, because it is scripted, a human using macros on such gaming devices is almost able to be better than the ai, however even a pro level ai is still bound by it's scripts. for instance the threat detection of new expansions of resource collection. for a human they just monitor the mine areas. a ai will go to any map position where it detects resource building construction (cite: gulf war) so in a game you can build a building not near a resource spot and cancel it every time the ai gets close enough to fire, the ai will always go after the newest resource found and will go to multiple sites where resource building are erected even if no resource is there. so one can build cancel then rebuild when the ai goes to another place. this tactic allows one to make the ai waste it's time attacking building that are not needed while the player perpares to destroy the buildings of the ai with units the ai army would easily beat if it wasn't driving back and forth between two points which are far from the real base and expansion.