Rationalising is a kind of ethical reasoning - constructing an account of something that shows it to be consistent with a wider body of ethical beliefs. So in

Rationalising is a kind of ethical reasoning - constructing an account of something that shows it to be consistent with a wider body of ethical beliefs. So in your example, the idea of agency is a way of making the idea of responsibility mesh with our belief that things should be fair. It is not clear to me that a computer can hold ethical beliefs, or that it would be troubled when some other beliefs are inconsistent with those beliefs and motivated to find a rationalisation that makes them compatible.