Not in the industrial space they haven't. Plant managers don't understand or care about anything other than keeping their lines operating.
Note: not one mention of "security", or good neighbor, or infection, only cutting to the point.
I heard a security researcher once say that her greatest fear for SCADA/control systems was compromise by kids/teenagers who had no idea what they had access to and began goofing around on the system. She said that they could accidentally cause more damage than organized attackers.