These older systems design principles have really scratched a part of my brain and I'm keen to keep pulling that thread. Do you have any recommended readings on the topic?
SCADA. Mechanism Design. ANSI/ISA-18.2-2016. NASA "Power of Ten" Safe Coding. "The Pit of Success". Poka Yoke. Kaizen/Seiton. "The Five S's". Fuben-eki ("The Benefits of Inconvenience").