Mmmmhhhhhh it depends on what the engineer knows about the realistic uses of the tool. As a sibling comments, fixing the railroads to Auswichz might me morally

Mmmmhhhhhh it depends on what the engineer knows about the realistic uses of the tool. As a sibling comments, fixing the railroads to Auswichz might me morally wrong. Eichmann knew what he was doing and, in any case, forcing dozens of thousands of people to move with less than a week's notice does not soynd quite "amoral".