If they go to that lengths then they're laundering responsibility away from the researcher, which seems to be his main thrust - the affirmative decision to do r

If they go to that lengths then they're laundering responsibility away from the researcher, which seems to be his main thrust - the affirmative decision to do research for the military puts the responsibility on the researcher; doing it for a worthy cause and acknowledging the potential for good or bad puts that ball in the "worthy cause"'s court.