Cologne I won't argue the toss over Ukraine or Israel
But you raise something I had thought about. How can you make your country unsavoury? I thought that if we disposed of Trident we could ensure SAS cells were embedded not only in the UK but in other parts of the world. And have subs (nuclear powered so they could remain undetected for long periods) loaded with non nuclear missiles. Thus if we were invaded we could fight a war based on terrorism. Bit like ISIS but on a bigger scale.
You describe (not saying you are promoting it

) something similar with leaving nuclear bombs (nuclear material) lying around so bombing us would first negate invasion and secondly possibly leave a nuclear cloud roaming the earth (a random danger to the attackers).
Is either less savoury than having nuclear weapons roaming the oceans? I'm not sure?
And how effective they would be I'm not sure if we look at two scenarios:
1). The attacker is a religious nut case who thinks he is going to a glorious heaven
2). The attacker is motivated by a lack of food due to a natural or otherwise disaster (magnified by the out of control population growth).
a complex and fascinating topic.
Must say cannot share your anti US approach. Never seen any evidence that ignoring problems makes them go away. The more dialog with the states the better in my opinion. An isolated US I believe would be very dangerous (as their ability to vote Trump in as president I think clearly demonstrates).
You've certainly stimulated a few thoughts for the rest of my day