Absolutely. But

There's a science and whole cultures built around war now

It is important to not infantilize the debate by being absolutist and just shutting any action out.

I am a hard core pacifist at heart.

But this law I want is just not related to that. It is something I feel is needed just to not spell doom on our species. Like with biological warfare

How often do robots fail? How can anyone be so naive as to not see the same danger as with bio warfare? You can't assure a robot to not become a mass murder cold ass genocidal perpetual machine. And that's a no no if we want to exist