I don't disagree that nuclear non-proliferation is important. But I think the arguments you're using are kind of a bit of false logic. Essentially your argument

I don't disagree that nuclear non-proliferation is important. But I think the arguments you're using are kind of a bit of false logic. Essentially your argument boils down to "this thing X is hard to do safely. Therefore only people who have done X should do it [because they've failed a lot of times before]." And I don't think that is a legitimate argument for any topic, really.