Makes complete sense to me.
Copyright should not mean no right to repair your own equipment.
They Hacked McDonald’s Ice Cream Machines—and Started a Cold War
Secret codes. Legal threats. Betrayal. How one couple built a device to fix McDonald’s notoriously broken soft-serve machines—and how the fast-food giant froze them out.
https://www.wired.com/story/they-hacked-mcdonalds-ice-cream-makers-started-cold-war/
There is a website that lists every McDonald’s shake machine status, whether or not it is working
That’s right. It just means you can’t build and sell machines with their code.
Now apply this to farm equipment, and other vehicles. From what I hear even Commercial trucks in California will literally shut down automatically if they aren’t maintained by specialized licensed repairmen on a regular schedule. Even a small fix like changing spark plugs requires scheduling, and a lot more money than it should cost. Almost anyone could do that, but you need the expert and someone to reset the computer.
Farmers have this problem also.