Unless they are leaders or have some needed knowledge, the lives of 'the bad guy' will be valued at less than the cost of the robot. Ask Joe Taxpayer how many taxes s/he is willing to spend to capture alive a low level terrorist instead of killing them in combat, especially when we consider that any money spent on this could have been used to improve things at home.
$500M spent to take them down alive or $100M spent to take them down dead.
$500M spent to take them down alive or $100M spent to take them down dead.