And when those inevitably backfire and start blowing innocent people up, are the CEOs going to prison, the politicians who ordered their production originally? No, nobody is going to claim they're responsible, and that's why it's insane to build a weapon that does not have a name, time, place and direct order associated with it.
Even the US military is already incapable of taking responsibility of blowing a school with 150 kids up. You want to hand these people systems that are unaccountable by definition, that are smarter than they are, when they already struggle to understand the consequences of their own decisions?