Sometimes they focus close by, sometimes near-intermediate, sometimes intermedate, sometimes intermediate-far ...
You get the point?
Haber found a way of making nitrate-based fertilizers that helped push the Green Revolution, making Ehrlich into a kook.
Haber turned into a Nazi.
Food often depends on nitrate-based fertilizer dependent on countries using nitrate fertilizer from the Haber process. (Note that the Nazi concentration death-camp 'pesticide' for killing Jews and others was used for years to kill fungus in US strawberry farms. 
... Maybe?)
Blame isn't an obvious thing. It's often, "Who do I want to blame?"
This was evident in 5/22, when Russia screwed with supply chains. Blame Russia? Ukraine? Ukr supporters?)
The guy7 who
And now? Iran wants to close X to punish Y (+billions) because A, B attack and F, G, H, J, K 'enable'--who's the 'bad guy? The bomber, the owner (no! no!), the avenger? The sponsor of the bomber? Blame that attenuated I call "belief" and relegate to "your religion".
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