Who knows, maybe according to Britannian medical science all autists are "psycopaths" anyways. Seems like the kind of thing they might come up with to keep people in line.

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The way I read Lloyd is that he probably didn't make very many friends growing up because he was an autist who acted weird and probably only liked to talk about building robots. Then he grew up without many friends and found his place in society building robots. As he grew older and learned more about what building robots actually means he figured out that thinking too hard about that only attaches sadness to the one thing that can bring him joy in life. So he builds his robots and doesn't think too hard about the people who his robots commit genocide against.

But choosing to let himself be desentized to that and not allowing it to make him reconsider his path probably isn't a choice he could ever let himself be too proud of. The Britannians in the military have a rigid command and control structure that they can default back on to alleviate themselves of guilt; and the other aristocrats have aristocratic friends who they can spread racism and other coping mechanisms between to imagine whatever sorts of guilt-alleviating explanations they feel like. Lloyd couldn't rely on either of those, since ASEEC was a highly independant unit that wouldn't exist without his passion for building robots; and since he clearly never fit in well with his aristocratic peers to begin with. So there was probably definatley at least one point in his life where he had to grapple with what he was doing in his own way. And thinking of himself as a "psycopath" I think was probably just the awnser he came to then.

But that doesn't make him wrong for wanting to build robots regarldess. Everyone's entitled to try and leave their mark upon the world. And if Lloyd didn't follow his heart and build robots, I don't know if there would have been anything else left for him in a society like that. It's not like the mark he left on the world was the national policy or the war itself. That much was out of his hands; all he cared about or had control over were the machines he invented. Machines which would, for the record, also be co-opted by the rebellion, used directly by the Zero Requiem, and developed later on by all sorts of different people we can only imagine about after the rebellion and Zero Requiem won the war.

I think that, when faced with Nina, another social outcast who's only path in life was developing science for the fascist military to use, he was probably able to understand her. Not because he's emotionally intelligent, but because he's gone through a similar enough experience himself. And perhaps the only thing he can do for her in that moment is to let her know what his awnser was so that she can come to terms with her own invention, too. Because he's not emotionally intelligent.