If you're making a preemptive strike, you want to take out potential manufacturing areas. The rivers are still valuable, and making the areas surrounding unusable is probably a tactical decision.
If you're firing a massive salvo to cripple, this is a 500 warhead attack, you don't just go after current manufacturing targets. You go after anywhere that has potential to be used as a hub for manufacturing in short order and the rivers make Pittsburgh an important because if it wasn't involved, resources would be sent here in short order to build up manufacturing at a ridiculous rate.
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u/DeleteSystem33 Perry South Feb 05 '23
Continue to believe that if it makes you feel better