At that point, it’s more time effective for the attackers to disable the management hub or attack any other piece farther up the supply chain. The oil pipeline

At that point, it’s more time effective for the attackers to disable the management hub or attack any other piece farther up the supply chain. The oil pipeline ransomware shutdown is a perfect example of attack efficiency. I don’t know of a situation where air-gapping already automated farm equipment is the most important next step.